chaschev.lang.Pair Maven / Gradle / Ivy

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package chaschev.lang;

public class Pair {
    private A first;
    private B second;

    public Pair(A first, B second) {
        super();
    	this.first = first;
    	this.second = second;
    }

    @Override
    public int hashCode() {
        int result = first != null ? first.hashCode() : 0;
        result = 31 * result + (second != null ? second.hashCode() : 0);
        return result;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Pair pair = (Pair) o;

        if (first != null ? !first.equals(pair.first) : pair.first != null) return false;
        if (second != null ? !second.equals(pair.second) : pair.second != null) return false;

        return true;
    }

    public String toString()
    { 
           return "(" + first + ", " + second + ")"; 
    }

    public A getFirst() {
    	return first;
    }

    public void setFirst(A first) {
    	this.first = first;
    }

    public B getSecond() {
    	return second;
    }

    public void setSecond(B second) {
    	this.second = second;
    }
}