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Java program to add elements to EnumSet collection using add() method

Given an EnumSet collection, we have to add elements using add() method.
Submitted by Nidhi, on May 28, 2022

Problem statement

In this program, we will create an Enum for COLORS constants. Then we will create an EnumSet collection and add elements using add() method.

Java program to add elements to EnumSet collection using add() method

The source code to add elements to the EnumSet collection using add() method is given below. The given program is compiled and executed successfully.

// Java program to add elements to EnumSet 
// using add() method

import java.util.*;

//Enum for color constants
enum COLORS {
  RED,
  GREEN,
  BLUE,
  BLACK,
  WHITE
};

public class Main {
  public static void main(String[] args) {
    EnumSet < COLORS > enumSet = EnumSet.noneOf(COLORS.class);

    enumSet.add(COLORS.RED);
    enumSet.add(COLORS.GREEN);
    enumSet.add(COLORS.BLUE);

    System.out.println("enumSet elements: " + enumSet);
  }
}

Output

enumSet elements: [RED, GREEN, BLUE]

Explanation

The Main class contains a main() method. The main() method is the entry point for the program. And, created an EnumSet collection and add elements to it using add() method. Then we printed the elements.

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