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Java program to print HashSet elements using parallelStream() method

Given a HashSet, we have to print the elements using parallelStream() method.
Submitted by Nidhi, on May 11, 2022

Problem Solution:

In this program, we will create a set using the HashSet collection to store integer elements. Then we will print set elements using the parallelStream() method.

Program/Source Code:

The source code to print HashSet elements using the parallelStream() method is given below. The given program is compiled and executed successfully.

// Java program to get a parallel stream 
// of a HashSet

import java.util.*;

class Main {
  public static void main(String[] args) {
    HashSet < Integer > nums = new HashSet();

    nums.add(1);
    nums.add(2);
    nums.add(3);
    nums.add(4);
    nums.add(5);
    nums.add(6);

    System.out.println("Set elements: ");
    nums.parallelStream().forEach(System.out::println);
  }
}

Output:

Set elements: 
4
5
6
1
2
3

Explanation:

In the above program, we imported the "java.util.*" package to use the HashSet collection. Here, we created a public class Main that contains a main() method.

The main() method is the entry point for the program. Here, we created a set to store integer data elements using HashSet collection. Then we printed HashSet elements using the parallelStream() method.

Java HashSet Programs »


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