Java : Collection Framework : Collections (sort String)

Click here to watch in Youtube : 
https://www.youtube.com/watch?v=6AXX8TF3SeE&list=UUhwKlOVR041tngjerWxVccw

CollectionsSortExample.java

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

public class CollectionsSortExample
{

    public static void main(String[] args)
    {
        ArrayList<String> arrayList = new ArrayList<String>();
        arrayList.add("Dog");
        arrayList.add("Ball");
        arrayList.add("Cat");
        arrayList.add("Apple");

        System.out.println("Before Sorting  : " + arrayList + "\n");

        /*
         * Sorts the specified list into ascending order, according to the
         * natural ordering of its elements.
         * 
         * All elements in the list must implement the Comparable interface.
         */
        Collections.sort(arrayList);

        System.out.println("After Sorting   : " + arrayList);

    }

}

Output

Before Sorting  : [Dog, Ball, Cat, Apple]

After Sorting   : [Apple, Ball, Cat, Dog]

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

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