Click here to watch in Youtube : https://www.youtube.com/watch?v=R5e1rgrHsd8
ArrayListRemoveExample.java
import java.util.ArrayList; /* * Example of remove(int index) and remove(Object o) methods */ public class ArrayListRemoveExample { public static void main(String[] args) { ArrayList<String> arrayList = new ArrayList<String>(); arrayList.add("Ram"); arrayList.add("Dave"); arrayList.add("Peter"); arrayList.add("Julia"); arrayList.add("Akram"); System.out.println("ArrayList : " + arrayList + "\n"); /* * Remove element from the index position 1. */ arrayList.remove(1); System.out.println("ArrayList after removing element from the index 1 : " + arrayList + "\n"); /* * Remove the String object Julia. */ arrayList.remove("Julia"); System.out.println("ArrayList after removing String object \"Julia\" : " + arrayList); } }
ArrayList : [Ram, Dave, Peter, Julia, Akram] ArrayList after removing element from the index 1 : [Ram, Peter, Julia, Akram] ArrayList after removing String object "Julia" : [Ram, Peter, Akram]
ArrayListRemoveAllExample.java
import java.util.ArrayList; import java.util.List; /* * Example of removeAll(Collection<?> c) method */ public class ArrayListRemoveAllExample { public static void main(String[] args) { ArrayList<String> arrayList = new ArrayList<String>(); arrayList.add("Ram"); arrayList.add("Dave"); arrayList.add("Peter"); arrayList.add("Julia"); arrayList.add("Akram"); System.out.println("ArrayList : " + arrayList + "\n"); List<String> removeList = new ArrayList<String>(); removeList.add("Dave"); removeList.add("Peter"); System.out.println("RemoveList : " + removeList + "\n"); /* * Remove group of elements from the list */ arrayList.removeAll(removeList); System.out .println("ArrayList after removing elements which are present in the removeList : " + arrayList + "\n"); } }
ArrayList : [Ram, Dave, Peter, Julia, Akram] RemoveList : [Dave, Peter] ArrayList after removing elements which are present in the removeList : [Ram, Julia, Akram]
To Download ArrayListDemoRemove Project Click the below link
https://sites.google.com/site/javaee4321/java-collections/ArrayListDemoRemove.zip?attredirects=0&d=1
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