54 lines
1.0 KiB
Java
54 lines
1.0 KiB
Java
package lsystem.utils;
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import java.util.Objects;
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/**
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* tuple containing 2 unknown type elements
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*
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* @param <U> left
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* @param <K> right
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*/
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public class Pair<U, K> {
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private final U left;
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private final K right;
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public Pair(U left, K right) {
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this.left = left;
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this.right = right;
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}
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public U getLeft() {
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return left;
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}
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public K getRight() {
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return right;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null) {
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return false;
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}
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if (getClass() != obj.getClass()) {
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return false;
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}
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final Pair<?, ?> other = (Pair<?, ?>) obj;
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return this.left.equals(other.getLeft()) && this.right.equals(other.getRight());
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}
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@Override
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public int hashCode() {
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return Objects.hash(left.hashCode(), right.hashCode());
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}
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@Override
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public String toString() {
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return "(" + left + ", " + right + ")";
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}
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}
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