Java : Collection Framework : Collections (Max)

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CollectionsExample.java

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

/*
 *  Example of  
 *  max(Collection<? extends T> coll) method
 */

public class CollectionsExample
{

    public static void main(String[] args)
    {

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

        arrayList.add(2000);
        arrayList.add(3000);
        arrayList.add(4000);
        arrayList.add(1000);

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

        /*
         * Returns the maximum element of the given collection, according to the
         * natural ordering of its elements. All elements in the collection must
         * implement the Comparable interface.
         */

        Integer maxElement = Collections.max(arrayList);

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

    }

}

Output

arrayList : [2000, 3000, 4000, 1000]

maxElement : 4000

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

See also:

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