Sorted Set To Arraylist

1 * 5 = 5 marks Which interface must be implemented for sorting on basis many criterias. An ArrayList is one of the data structures in excel. This tutorial gives you simple way to find unique values in ArrayList using TreeSet and HashSet. You can use a wide variety of custom objects as data sources for RadGrid. The main structure is to set up a HashMap>. How To Sort Objects In Java I will be mainly focusing on sorting ArrayList, HashSet, TreeSet from Collection and last but not the least the array. Here is a simple example on how to convert HashMap to ArrayList in Java. NET, the ArrayList class is used to create an array (or list) of objects. ArrayList d. The difference between a built-in array and an ArrayList in Java, is that the size of an array cannot be modified (if you want to add or remove elements to/from an array, you have to create a new one). Following, the three common methods for iterating through a Collection are presented, first using a while loop, then a for loop, and finally a for-each loop. reverseOrder() comparator to reverse the default sorting behavior in one. Once that's done, though, I'm still forced to deal with obtaining the individual ArrayList entries for the values so that I can get their averages - this is where I'm. Convert String Array to Set. Since both Set and List are extend the Collection, the conversion is quite straightforward. Add "F" myArrayList. ArrayList contains a simple list of values and very easily we can add , insert , delete , view , sort etc. Also, some of Set implementation may keep the order intact e. Binding to an ArrayList. sort() methods and sorting with Java 8 stream API. To sort the contents of an ArrayList in descending order. Specifically, the set of values is a collection of objects, and the operations revolve around adding, removing, or examining objects in the collection. Learn about how to create 2d Arraylist in java. Convert Set into List. This interface comes into play when you start adding your custom objects into Arrays and ArrayLists. It maintains insertion order of the elements. Sometimes you need an array that can dynamically change its size during runtime, and this is what ArrayList is for. Java Tutorials and Examples. ArrayList stream. Now we need to sort these objects by "ID" or "Name". I want to sort this list based on the order of fruit name. Collections. In addition to basic collection operations and normal set operations, the SortedSet. I have looked on several sites and seems like there is no guide yet or even its been there, the solution are quite simplistic. As an example let's get a "Person" object which contains two attributes called "ID" and "Name". I am given the main method body, and the method header for the sorting method, and am asked to write the method body for the sort method. Check out the quick guide for an overview of what the ArrayList does. Main difference between ArrayList and HashSet is that one is a List implementation while other is a Set implementation. In addition to those methods defined by Set, the SortedSet. TreeSet in Java is one of the implementation of the Set interface. ArrayList; import java. The elements of a SortedList object are sorted by the keys either according to a specific IComparer implementation specified when the SortedList is created or according to the IComparable implementation provided by the keys themselves. With late binding, you do not set an explicit reference to an external library, and thus when declaring your variables you would use the more generic Object type, and to instantiate a class from that library you would have to use CreateObject: Dim MyDictionary As Object Set MyDictionary = CreateObject("Scripting. And the ArrayList instance has no limitation of being fixed size. Carey and Stephan - converting to a key/value entry set is the approach I've been playing with; it's what the majority of web sites that address sorting HashMaps recommend. A Set that further provides a total ordering on its elements. It is obvious that when we are working on business objects or Entities in our application, we will need its corresponding collections. Multiple properties may be specified, the objects will be sorted by each property in turn. Lists (ArrayList, Vector, LinkedList) allow multiple occurrences of each element within the set. In my previous post you would have learnt how to sort objects in a ArrayList using java comparator. When working on a project to display and compare source codes, I had to sort objects inside an ArrayList. It maintains insertion order of the elements. There's a simple workaround: 1. Add "F" myArrayList. ArrayList is a collection from a standard System. ArrayList stream. addAll(ArrayList strList, T[] strArr): This is the best way to convert array to ArrayList because the array data is copied to the list and both are independent object. Java List to Array Examples. One option would be to build a string out of all the items in the set, and use that for comparisons. Collections. Assign 22 to the element just before the element at k. ToArray() End If End Sub Reverse the order of the elements in an array…. Sort Set in Java. The elements are ordered using their natural ordering, or by a Comparator typically provided at sorted set creation time. details example for sorting using Set. I ran the test to follow the OP's use-case but still get different results than he suggests in his posts. Collections namespace. In this example, we are sorting an ArrayList of. anticommutation : x. ArrayList is such type of storage array which is dynamic in size and can grow and shrink at runtime. I have a class Person that has a name and an age. Conclusion In this post, we learned how to sort collection using Comparable interface, Comparator interface and Java 8 provided Comparator. public class Fruit{ private String. Nory's family were all Catholics. Java Set to Array. Here is a simple example on how to convert HashMap to ArrayList in Java. It means that HashSet does not maintains the order of its elements. For this we will use the Array. sort() method. Add the 'rows' of the original Array to the. Input is any information that is needed by your program to complete its execution. LinkedList vs. In this article we see how to performe sorting. How to Remove Duplicate Values From Java List/ArrayList? Core Java » on Oct 13, 2012 { 22 Comments } By Sivateja T his is the question asked in our forum by some of our friend, even i faced this little issue once in my project 🙂 Some times we may not have chance to choose our own collection property. Start studying Ch. In this tip you will see how the enhanced for loop replaces more traditional ways of sequentially accessing elements in a collection. ArrayList and LinkedList are both very similar. Check out these related Kotlin examples:. Example input. 1 * 5 = 5 marks Which interface must be implemented for sorting on basis many criterias. When comparing 40 and 100, the sort() method calls the compare function(40, 100). Add "F" myArrayList. VBScript tip: Working with an object list. What you could do is to organize the objects into a tree, after which you would run the breadth-first search starting from the root node, and descending into the child nodes of each processed node. sort(list); When sorting a list like this the elements are ordered according to their "natural order". Programming Forum Software Development Forum Discussion / Question. The VBA ArrayList is a much better alternative to the built-in VBA Collection. {!Arraylist} if this provides you with useful information and if this is what you where looking for then please mark it as a solution for other benefits. How To Sort Objects In Java I will be mainly focusing on sorting ArrayList, HashSet, TreeSet from Collection and last but not the least the array. Depending on the answer, update low or high. I have a container class called people that stores a set of persons. ArrayList is part of Java's collection framework and implements Java's List interface. If the size of the current elements (including the new element to be added to the ArrayList) is greater than the maximum size of the array then increase the size of array. Java Collections API Methods. Before going through the example of them. NET Forums on Bytes. Note that there. When a size and an optional default are sent, an array is created with size copies of default. All the methods put together are known as algorithms. import java. On the average, it has O(n log n) complexity, making quicksort suitable for sorting big data volumes. When you add an object to the list, it is inserted in the correct place. To create a map, set, or list, you must choose a specific implementation (i. , ArrayList, LinkedList, Dequeue) – Based on mergesort • We will sort pipes by diameter. This means that when you iterate the elements of a SortedSet the elements are iterated in the sorted order. Main difference between ArrayList and HashSet is that one is a List implementation while other is a Set implementation. we will learn to sort set, list and map containing primitive types and custom objects. net framework 4 then you can use the SortedSet class. I am given the main method body, and the method header for the sorting method, and am asked to write the method body for the sort method. The index must be valid. Many additions have been made to the Collections Framework since then (notably the Queue and Deque interfaces, and various items in java. A SortedList a is sorted Dictionary. package com. e Surname and then FirstName If not property is specified, sort-object will sort using the default property for the object type. Java ArrayList Examples To assign to a position, we use set. The difference between sort and sorted is that sort is a list method that modifies the list in place whereas sorted is a built-in function that creates a new list without touching the original one. We can use a constructor method to initialize the deck of card to contain the right cards. Collections, contains a long list of utility methods for working with collections in Java. November 26, 2014 | Reliance SCADA In some Reliance applications, it is needed that data in a script should be stored in a list with a variable number of elements and then gone through, searched for, or deleted. ArrayList is very similar Array but provides the feature of dynamic space allocation when the number of objects in the list grows. Even though a set is inherently unordered, the TreeSet allows you to iterate over its elements in order: while Set implementations cannot be sorted in the same way that List implementations can, you can use its efficient iterator to inspect each of the elements in sorted order. We can sort the stream in natural ordering as well as ordering provided by Comparator. The Comparator and Comparable Interface in Java Collections Sort. Find local minimum or local maximum in O(1). It takes about 1Mb. Reverse(1, 3) ' Displays the values of the ArrayList. Comparable interface • Used to define the natural order of objects in a class – Supports only a single ordering for the objects – Method compareTo() must be implemented • Used by Java s built-in sort methods for arrays and collections (e. program to remove duplicate elements from an arraylist without using collections (without using set) 1. How to Sort HashSet in Java. The sub-interface SortedSet models an ordered and sorted set of elements, implemented by TreeSet. TreeSet is a set which has. As shown in this sort example of ArrayList and Set, You can sort LinkedList on ascending and descending order in Java. How to sort ArrayList in Java By Chaitanya Singh | Filed Under: Java Collections In this tutorial we have shared the examples of sorting an String ArrayList and Integer ArrayList. Remove duplicates from arraylist without using set collections Remove duplicates from arraylist of objects in java Remove duplicates from arraylist without using collections - InstanceOfJava. class ArrayList < E > : MutableList < E >, RandomAccess, AbstractMutableCollection < E > Provides a MutableList implementation, which uses a resizable array as its backing storage. Sort a nearly sorted (or K sorted) array Given an array of n elements, where each element is at most k away from its target position, devise an algorithm that sorts in O(n log k) time. Sorting of ArrayList and ArrayList Sorting of ArrayList in descending order; We generally use Collections. The index must be valid. If the size of the current elements (including the new element to be added to the ArrayList) is greater than the maximum size of the array then increase the size of array. Depending on the answer, update low or high. The sort() method takes the list to be sorted (final sorted list is also the same) and a comparator. By default, the ArrayList uses the IComparable interface on each of the objects to do the sorting. Three implementation of the List interface are provided in the java. These conditions have the goal of allowing objects to be fully sorted, much like the sorting of a database result set on all fields. Java ArrayList allows random access because array works at the index basis. sort() works for objects Collections like ArrayList, LinkedList, etc. ArrayList stream. Three implementation of the List interface are provided in the java. ArrayList, BitArray, SortedList, Queue, Stack and Hashtable. SortedList. Project Explorer: Display the tree view of files in the current project/assembly. So: We must use the stream() directly when we get it from an ArrayList. clear the ArrayList 5. I ran the test to follow the OP's use-case but still get different results than he suggests in his posts. How to Sort HashSet in Java. compareTo(y) throws exactly the same exceptions as y. We can use Collections. In how many ways Set elements can be traversed. Net, GridView. Sorts the elements in the or a portion of it. However, I am getting errors on a. (Ge In how many ways Set elements can be traversed (No How to use Hashset (Generic). We pass this Set to create the ArrayList of key-value pairs. One of such simple requirement is to convert Java Arrays to Set. The reverseOrder() method does the reversing on the basis of given Comparator. The following code example shows how to sort the values in an ArrayList using the default comparer and a custom comparer that reverses the sort order. MergeSort follows the Divide and Conquer paradigm. Once the array is copied, you can modify both the objects independently. Nory's family were all Catholics. However if the ArrayList is of custom object type then in such case you have two options for sorting- comparable and comparator interfaces. Since both Set and List are extend the Collection, the conversion is quite straightforward. VBScript tip: Working with an object list. So you can add an Integer, or a string, or even a Boolean value to the array list. LeetCode problems: 49, 53, 69, 151, 235, 258, 388, 448 difference between : list, set, map, sortedset, difference. SortedSet, is a subtype of the java. From Java 8 onwards sorting the HashSet using a TreeSet can be done using collect() operation in stream API. This method simply reverses the contents of an arraylist, be it sorted. So here is another sorting algorithm, "Quick Sort" which I have implemented it using ArrayList which is inplace sorting algorithm. Java HashMap sort by values example shows how to sort HashMap by values in Java using the sort method, the LinkedHashMap class. Frequently-used implementations of Set are HashSet and LinkedHashSet. Selection sort does sort the data, but it's quite slow. import java. The Java SortedSet interface, java. public class SortedList extends java. In my previous post you would have learnt how to sort objects in a ArrayList using java comparator. util package. In this article, we will discuss different ways for sorting arrays in C# In C#, we can sort an array in multiple ways. Create an ArrayList. Write a program to find top two maximum numbers in a array. Write a program PerfectBalance. sort method and the Collections. Java List to Array Examples. One of the big limitations in VBScript is that there is no easy way to sort a list of items. These types of collections can store any type of items. Learn to sort an arraylist in natural order and reverse order as well. The difference between sort and sorted is that sort is a list method that modifies the list in place whereas sorted is a built-in function that creates a new list without touching the original one. Collections, contains a long list of utility methods for working with collections in Java. Many additions have been made to the Collections Framework since then (notably the Queue and Deque interfaces, and various items in java. NET Collections. It is still creating a TreeSet using the given HashSet but method reference is used here to create a new TreeSet. This is so because the Set interface is defined in terms of the equals operation, but a sorted set performs all element comparisons using its compareTo (or compare) method, so two elements that are deemed equal by this method are, from the standpoint of the sorted set, equal. Sorting can then be done with the List sort capability: Array. TrimToSize or set the ArrayList. This java example shows how to search an element of Java ArrayList using binarySearch method of Collections class. package arrayListRemoveduplicateElements; 2. The elements are ordered using their natural ordering, or by a Comparator typically provided at sorted set creation time. Several fundamental data types involve collections of objects. How To Sort An ArrayList In Java Core Java » on Feb 17, 2014 { 4 Comments } By Sivateja T his is one of the famous interview questions for freshers and even for the experienced developers 🙂 let us see how to sort the ArrayList in java. Sorting an ArrayList. put the sorted items in an Array using. SortedSet, but only few times slower. concurrent). Here's the equivalent Java code: Java program to sort an ArrayList of custom objects by property. The only requirement is that the custom objects must implement the ITypedList, IEnumarable, or ICustomTypeDescriptor interface. Collections. Remove duplicates from arraylist without using set collections Remove duplicates from arraylist of objects in java Remove duplicates from arraylist without using collections - InstanceOfJava. If the items in a list are required to be always sorted into order the Sort() method should be called after new items are added: colorList. Although arrays can be re-dimensioned in VB. adding objects to an arraylist Home. SortedSet interface represents a sorted set in Java Collection Framework. ArrayList and LinkedList are implementation classes of List interface. In Java, sets (HashSet, SortedSet, TreeSet) are collections that allow only one occurrence of each element within the set. So if you want to create the same then read the full post. Sorted Set Interface Example Java Program Definition Unlike a regular set, the elements in a sorted set are sorted, either by the element's compareTo() method, or a method provided to the constructor of the sorted set. The sorting is performed by applying an algorithm that uses either operator< (in version (1) ) or comp (in version (2) ) to compare elements. As shown in this sort example of ArrayList and Set, You can sort LinkedList on ascending and descending order in Java. import java. and high index value to find the location of a value in a sorted set of data (if it exists)? SECTION 2 QUIZ. We can sort the stream in natural ordering as well as ordering provided by Comparator. Also, some of Set implementation may keep the order intact e. ArrayList is not a part of VBA it is associated with an external library which can be used with VBA. List, as its name indicates, is an ordered sequence of elements. We can sort an. The VBA ArrayList is also a very useful data structure if you want to work with dynamic VBA arrays but don’t want the hassle of having to constantly redefine (Redim) the size of the array. put the sorted items in an Array using. Follow the below steps to sort the ArrayList using VBA Code:. In the below program, we've defined a Student class with a string and int properties, Name and Age. How to Use the Comparator. In either case, a SortedList does not allow duplicate keys. If your collection is a list, or a set (collection class is ArrayList, LinkedList, LinkedHashSet, or TreeSet), specify the class of the collection elements here. In this tutorial you will learn how to sort ArrayList of String or Integer in Java. The sorted list is then stored in the variable sortedList. Before you look at those questions, it's a good idea to see the class hierarchy diagram. That's all for this topic How to Sort HashSet in Java. ArrayList is an important collection of the Java collections framework. I want to sort this list based on the order of fruit name. Click on a local variable, parameter or type parameter to highlight all references inline in source. Several fundamental data types involve collections of objects. on elements of arraylist. True or false? Mark for Review (1) Points True False (*) 33. On this page we will provide java 8 List example with forEach(), removeIf(), replaceAll() and sort(). A ArrayList has a capacity, which is the allocated length // of the internal array. It is faster than TreeList for most operations except inserting and removing in the middle of the list. I have the following code that perform the default ArrayList sort but would like to know how to sort the arraylist by the attributes of the data object such as the empID. Java Array to Set. Find local minimum or local maximum in O(1). Learn how to create a custom sort algorithm in Java. ArrayList can be defined as a list of a nearby memory location. ArrayList is not synchronized i. Java Collections API Methods. Following, the three common methods for iterating through a Collection are presented, first using a while loop, then a for loop, and finally a for-each loop. SortedList. A MapReduce job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner. In this article, we will discuss how to sort contents of ArrayList using sort() method of List in Java 8 Until Java 1. This is so because the Set interface is defined in terms of the equals operation, but a sorted set performs all element comparisons using its compare method, so two elements that are deemed equal by this method are, from the standpoint of the sorted set, equal. A Java ArrayList holds an ordered sequence of items like an array, but there are differences: 1. ArrayList internally uses an array to store the elements. (Ge In how many ways Set elements can be traversed (No How to use Hashset (Generic). List, as its name indicates, is an ordered sequence of elements. The Java Collections class, java. Can I say how much I love that this was created only 7 months ago? VBS/A is not dead! If they ever kill WMI, then VB will be dead. So first lets see how to sort the primitives. I have a text file called topScore. public class SortedList extends java. Also, any change in the array will change the elements in ArrayList also. As elements are added to a ArrayList, the capacity // of the ArrayList is automatically increased as required by reallocating the // internal array. Sorting List, Set and ArrayList in Java on ascending and descending order is very easy, You just need to know correct API method to do that. sort() How to sort HashSet using Arrays. As an example let's get a "Person" object which contains two attributes called "ID" and "Name". Sort an ArrayList using ArrayList. Add "C" Now, to add an element and sort the ArrayList, all we need to do is:. Theory and summary of different sort methods. on elements of arraylist. util package. 0 and later, and Mono version 2 and later. Jul 21, 2016 · For the sake of completeness Say that you really do want to treat the Map values as Lists, but you want to avoid copying the Set into a List each time. ArrayList) is a fast and easy to use class representing one-dimensional array. NET has a lot of different data structures , for example, one of the most common ones is an Array. Collections. How to Sort HashSet in Java. Note: to create an empty set you have to use set(), not {}; the latter creates an empty dictionary, a data structure that we discuss in the next section. We can also use the Guava API to convert a set to a list. Using Array. and a Comparator. Set into a java. So here is another sorting algorithm, "Quick Sort" which I have implemented it using ArrayList which is inplace sorting algorithm. Because I never did this before, my knowledge about this issue has been zero. Although a List is a more powerful than an array, there are cases where we wish to convert the former to the latter's data structure. reverseOrder() comparator to reverse the default sorting behavior in one. Java ArrayList. Sort disjoint sublist You are encouraged to solve this task according to the task description, using any language you may know. Theory and summary of different sort methods. For sorting the list with the property, we use list's sortedWith() method. In Order to Sort Java ArrayList on natural order of elements, object stored in ArrayList must implement Comparable interface in Java and should override compareTo() method as per there natural order. Initialization. On one of our articles on how to convert an array to set, we have discussed a unique property of Set class of java Collections framework that doesn't allow duplicates on its elements. The String is a placeholder in this example for any data that we might want to structure with a linked list (we can use any set of instance variables); the instance variable of type Node characterizes the linked nature of the data structure. So what does an enhanced for loop look like? Suppose you have a collection of TechTip objects called RecentTips. The Utility run method will handle printing your output in sorted order. • You stil fail to understand that he slowness is no in the arraylist. In comparison a List needs to iterate over the contents to check this. Although arrays can be re-dimensioned in VB. ArrayList is one of the widely used data structure in java. replaceAll() and sort() methods are from java. An ArrayList can only hold objects (not primitives) 3. ArrayList sort() method sorts the list according to the order induced by the specified Comparator instance. Sort Set in Java. ArrayList vs. I have decided to write a comprehensive guide on how to sort an ArrayList in Java. In this example, we are sorting an ArrayList of. get add insert iterate remove TreeList 3 5 1 2 1 ArrayList 1 1 40 1 40 LinkedList 5800 1 350 2 325 ArrayList is a good general purpose list implementation. How to sort a TreeSet with user defined objects? How to get subset from sorted set? How to get least value element from a set? How to get highest value element from a set? How to avoid duplicate user defined objects in TreeSet?. Collections. Although a List is a more powerful than an array, there are cases where we wish to convert the former to the latter's data structure. ArrayList is an important collection of the Java collections framework. Java Collection Tutorial - Java Sorted Set « Previous; Next » A sorted set is a set with ordering on its elements. sort() method is applicable to Collection interface, any Collection implementation like Set, HashSet can also be sorted in ascending, descending or reverse order of elements. In addition to basic collection operations and normal set operations, the SortedSet. sort() method will sort the collection passed to it, doesn't return anything just sort the collection itself. integers, long) using List. The add method can be used to add any sort of data type element to the array list. TreeSet sorts the entries in natural order, which means that all the entries in the set are sorted in ascending order. BinarySearch on the internal array. How To Set Proxy. Indexes are. Before going through the example of them. e Surname and then FirstName If not property is specified, sort-object will sort using the default property for the object type. - b101 Dec 24 '16 at 19:21. The fact-checkers, whose work is more and more important for those who prefer facts over lies, police the line between fact and falsehood on a day-to-day basis, and do a great job. Today, my small contribution is to pass along a very good overview that reflects on one of Trump’s favorite overarching falsehoods. Namely: Trump describes an America in which everything was going down the tubes under  Obama, which is why we needed Trump to make America great again. And he claims that this project has come to fruition, with America setting records for prosperity under his leadership and guidance. “Obama bad; Trump good” is pretty much his analysis in all areas and measurement of U.S. activity, especially economically. Even if this were true, it would reflect poorly on Trump’s character, but it has the added problem of being false, a big lie made up of many small ones. Personally, I don’t assume that all economic measurements directly reflect the leadership of whoever occupies the Oval Office, nor am I smart enough to figure out what causes what in the economy. But the idea that presidents get the credit or the blame for the economy during their tenure is a political fact of life. Trump, in his adorable, immodest mendacity, not only claims credit for everything good that happens in the economy, but tells people, literally and specifically, that they have to vote for him even if they hate him, because without his guidance, their 401(k) accounts “will go down the tubes.” That would be offensive even if it were true, but it is utterly false. The stock market has been on a 10-year run of steady gains that began in 2009, the year Barack Obama was inaugurated. But why would anyone care about that? It’s only an unarguable, stubborn fact. Still, speaking of facts, there are so many measurements and indicators of how the economy is doing, that those not committed to an honest investigation can find evidence for whatever they want to believe. Trump and his most committed followers want to believe that everything was terrible under Barack Obama and great under Trump. That’s baloney. Anyone who believes that believes something false. And a series of charts and graphs published Monday in the Washington Post and explained by Economics Correspondent Heather Long provides the data that tells the tale. The details are complicated. Click through to the link above and you’ll learn much. But the overview is pretty simply this: The U.S. economy had a major meltdown in the last year of the George W. Bush presidency. Again, I’m not smart enough to know how much of this was Bush’s “fault.” But he had been in office for six years when the trouble started. So, if it’s ever reasonable to hold a president accountable for the performance of the economy, the timeline is bad for Bush. GDP growth went negative. Job growth fell sharply and then went negative. Median household income shrank. The Dow Jones Industrial Average dropped by more than 5,000 points! U.S. manufacturing output plunged, as did average home values, as did average hourly wages, as did measures of consumer confidence and most other indicators of economic health. (Backup for that is contained in the Post piece I linked to above.) Barack Obama inherited that mess of falling numbers, which continued during his first year in office, 2009, as he put in place policies designed to turn it around. By 2010, Obama’s second year, pretty much all of the negative numbers had turned positive. By the time Obama was up for reelection in 2012, all of them were headed in the right direction, which is certainly among the reasons voters gave him a second term by a solid (not landslide) margin. Basically, all of those good numbers continued throughout the second Obama term. The U.S. GDP, probably the single best measure of how the economy is doing, grew by 2.9 percent in 2015, which was Obama’s seventh year in office and was the best GDP growth number since before the crash of the late Bush years. GDP growth slowed to 1.6 percent in 2016, which may have been among the indicators that supported Trump’s campaign-year argument that everything was going to hell and only he could fix it. During the first year of Trump, GDP growth grew to 2.4 percent, which is decent but not great and anyway, a reasonable person would acknowledge that — to the degree that economic performance is to the credit or blame of the president — the performance in the first year of a new president is a mixture of the old and new policies. In Trump’s second year, 2018, the GDP grew 2.9 percent, equaling Obama’s best year, and so far in 2019, the growth rate has fallen to 2.1 percent, a mediocre number and a decline for which Trump presumably accepts no responsibility and blames either Nancy Pelosi, Ilhan Omar or, if he can swing it, Barack Obama. I suppose it’s natural for a president to want to take credit for everything good that happens on his (or someday her) watch, but not the blame for anything bad. Trump is more blatant about this than most. If we judge by his bad but remarkably steady approval ratings (today, according to the average maintained by 538.com, it’s 41.9 approval/ 53.7 disapproval) the pretty-good economy is not winning him new supporters, nor is his constant exaggeration of his accomplishments costing him many old ones). I already offered it above, but the full Washington Post workup of these numbers, and commentary/explanation by economics correspondent Heather Long, are here. On a related matter, if you care about what used to be called fiscal conservatism, which is the belief that federal debt and deficit matter, here’s a New York Times analysis, based on Congressional Budget Office data, suggesting that the annual budget deficit (that’s the amount the government borrows every year reflecting that amount by which federal spending exceeds revenues) which fell steadily during the Obama years, from a peak of $1.4 trillion at the beginning of the Obama administration, to $585 billion in 2016 (Obama’s last year in office), will be back up to $960 billion this fiscal year, and back over $1 trillion in 2020. (Here’s the New York Times piece detailing those numbers.) Trump is currently floating various tax cuts for the rich and the poor that will presumably worsen those projections, if passed. As the Times piece reported: