DocPair.java

package Q17_26_Sparse_Similarity;

public class DocPair {
	public int doc1;
	public int doc2;
	
	public DocPair(int d1, int d2) {
		doc1 = d1;
		doc2 = d2;
	}
	
	@Override
	public boolean equals(Object o) {
		if (o instanceof DocPair) { 
			DocPair p = (DocPair) o;
			return p.doc1 == doc1 && p.doc2 == doc2;
		}
		return false;
	}
	
	@Override
	public int hashCode() {
		return (doc1 * 31) ^ doc2;
	}
}