Java Long class

Java BitSet hashCode() method

Last Updated : 17 Mar 2025

The hashCode() method of Java BitSet class returns the hash code value of this BitSet. The value of hash code depends only on the bit which is set within this BitSet.

Syntax:

Parameter:

Returns:

The hashCode() method returns the hash code value of this BitSet.

Exception:

Compatibility Version:

Java 1.0 and above

Example 1

import java.util.BitSet;

public class BitSetHashCodeExample1 {
	public static void main(String[] args) {
		BitSet bitset1 = new BitSet();
		bitset1.set(0);
		bitset1.set(1);
		bitset1.set(2);
		bitset1.set(3);
		
		BitSet bitset2 = new BitSet();
		bitset2.set(5);
		bitset2.set(6);
		bitset2.set(7);
		bitset2.set(8);
		System.out.println("bitset1: "+bitset1);
		System.out.println("bitset1 hash code: "+bitset1.hashCode());
		System.out.println("bitset2: "+bitset2);
		System.out.println("bitset2 hash code: "+bitset2.hashCode());
	}
}

Output:

bitset1: {0, 1, 2, 3}
bitset1 hash code: 1245
bitset2: {5, 6, 7, 8}
bitset2 hash code: 1330

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