Thursday, 2 July 2015

Java : Collection Framework : Collections (LastIndexOfSubList)


Click here to watch in Youtube :
https://www.youtube.com/watch?v=pfn22WF-8MM&list=UUhwKlOVR041tngjerWxVccw

CollectionsExample.java
import java.util.ArrayList;
import java.util.Collections;

/*
 Method: 

 public static int lastIndexOfSubList(List<?> source, List<?> target)

 Parameters:

 source - the list in which to search for the last occurrence of target.
 target - the list to search for as a subList of source.

 Returns:

 the starting position of the last occurrence of the specified target list 
 within the specified source list, or -1 if there is no such occurrence.
 */

public class CollectionsExample
{

    public static void main(String[] args)
    {

        ArrayList<Integer> sourceList = new ArrayList<Integer>();

        sourceList.add(2000);
        sourceList.add(3000);
        sourceList.add(4000);
        sourceList.add(5000);
        sourceList.add(6000);
        sourceList.add(4000);
        sourceList.add(5000);
        sourceList.add(6000);

        System.out.println("sourceList : " + sourceList + "\n");

        ArrayList<Integer> targetList = new ArrayList<Integer>();

        targetList.add(4000);
        targetList.add(5000);

        System.out.println("targetList : " + targetList + "\n");

        /*
         * Returns the starting position of the last occurrence of the specified
         * target list within the specified source list, or -1 if there is no
         * such occurrence.
         */
        int indexPostion = Collections.lastIndexOfSubList(sourceList,
                targetList);

        System.out.println("indexPostion : " + indexPostion);

    }

}
Output
sourceList : [2000, 3000, 4000, 5000, 6000, 4000, 5000, 6000]

targetList : [4000, 5000]

indexPostion : 5
To Download CollectionsDemoLastIndexOfSubList Project Click the below link
https://sites.google.com/site/javaee4321/java-collections/CollectionsDemoLastIndexOfSubList.zip?attredirects=0&d=1

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • 1 comment:

    Google+ Followers

    Google+ Badge