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Java BitSet equals() Method with Example

BitSet Class equals() method: Here, we are going to learn about the equals() method of BitSet Class with its syntax and example.
Submitted by Preeti Jain, on January 21, 2020

BitSet Class equals() method

  • equals() method is available in java.util package.
  • equals() method is used to check whether this object against the given object is the same or not.
  • equals() method is a non-static method, so it is accessible with the class object and if we try to access the method with the class name then we will get an error.
  • equals() method does not throw an exception at the time of comparing two BitSet objects.

Syntax:

    public boolean equals(Object o);

Parameter(s):

  • Object o – represents the object to check equality with the object.

Return value:

The return type of this method is boolean, it returns true when the given BitSet object has same set of bits with this BitSet object otherwise it returns false.

Example:

// Java program to demonstrate the example 
// of boolean equals(Object o) method of BitSet.

import java.util.*;

public class EqualsOfBitSet {
    public static void main(String[] args) {

        // create an object of two BitSet
        BitSet bs1 = new BitSet(10);
        BitSet bs2 = new BitSet(10);

        // By using set() method is to set
        // the values in BitSet 1 
        bs1.set(10);
        bs1.set(20);
        bs1.set(30);
        bs1.set(40);
        bs1.set(50);

        // By using set() method is to set
        // the values in BitSet 2 
        bs2.set(60);
        bs2.set(70);
        bs2.set(50);
        bs2.set(40);
        bs2.set(30);

        // Display Bitset1 and BitSet2
        System.out.println("bs1: " + bs1);
        System.out.println("bs2: " + bs2);

        // By using equals(Object) method is to check whether
        // the given bitset has same set of bits with
        // the against BitSet object or not
        boolean status = bs1.equals(bs2);

        // Display status
        System.out.println("bs1.equals(bs2): " + status);
    }
}

Output

bs1: {10, 20, 30, 40, 50}
bs2: {30, 40, 50, 60, 70}
bs1.equals(bs2): false





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