Implements a set on an integer

BitSet.java

public class BitSet {

	private int set = 0;
	
	public void add(int position) {
		int mask = 1 << position;
		set = set | mask;
	}

	public void union(BitSet other) {
		set = set | other.getSet();
	}
	
	public void intersetction(BitSet other) {
		set = set & other.getSet();
	}
	
	public int getSet() {
		return set;
	}
	
	public boolean inset(int pos) {
		return (set & (1 << pos)) != 0;
	}
	
	
	public static void main(String[] args) {
		BitSet set = new BitSet();
		set.add(4);
		set.add(2);
		
		BitSet set2 = new BitSet();
		set2.add(2);
		set2.add(6);
		set2.add(8);

		set.union(set2);
		System.out.println(Integer.toBinaryString(set.getSet()));
		System.out.println(Integer.toBinaryString(set.getSet()));
		
		System.out.println(set.inset(1));
		System.out.println(set.inset(2));

	}
}