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ArrayListIndexOfExample.java
import java.util.ArrayList; /* * Example of indexOf(Object o) and lastIndexOf(Object o) methods */ public class ArrayListIndexOfExample { public static void main( String[] args ) { ArrayList<String> arrayList = new ArrayList<String>(); arrayList.add("Ram"); arrayList.add("Dave"); arrayList.add("Julia"); arrayList.add("Dave"); arrayList.add("Akram"); arrayList.add("Dave"); arrayList.add("Steve"); System.out.println("ArrayList : " + arrayList + "\n"); int index; index = arrayList.indexOf("Julia"); System.out.println("Index position of 'Julia' : " + index); index = arrayList.indexOf("Dave"); System.out.println("Index position of 'Dave' using indexOf method : " + index); index = arrayList.lastIndexOf("Dave"); System.out.println("Index position of 'Dave' using lastIndexOf method : " + index); } }Output
ArrayList : [Ram, Dave, Julia, Dave, Akram, Dave, Steve] Index position of 'Julia' : 2 Index position of 'Dave' using indexOf method : 1 Index position of 'Dave' using lastIndexOf method : 5
To Download ArrayListDemoIndexOf Project Click the below link
https://sites.google.com/site/javaee4321/java-collections/ArrayListDemoIndexOf.zip?attredirects=0&d=1
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