Question

How to find the maximum element of an HashSet in Java

Answer 1

package javaapplication1;

import java.util.Collections;
import java.util.HashSet;

public class JavaApplication1 {

    public static void main(String[] args) {

        HashSet hashSet = new HashSet();
   
        hashSet.add(new Long("98484"));
        hashSet.add(new Long("1237382"));
        hashSet.add(new Long("9383878990"));
        hashSet.add(new Long("8374783"));
        hashSet.add(new Long("9383872"));

        Object o = Collections.max(hashSet);

        System.out.println(o);
  }
}
  
/*
run:

9383878990

*/

 

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