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+/*******************************************************************************
+ * Copyright (c) 2017 Politecnico di Torino and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Apache License, Version 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *******************************************************************************/
+
+package mcnet.components;
+
+/** A data structure which is an utility to make a generic couple of objects with different types in Java
+ *
+ */
+public class Tuple<T, U> {
+ public final T _1;
+ public final U _2;
+
+
+ public Tuple(T arg1,U arg2) {
+ super();
+ this._1 = arg1;
+ this._2 = arg2;
+ }
+
+ public Tuple(){
+ this._1 = null;
+ this._2 = null;
+ }
+
+ @Override
+ public String toString() {
+ return String.format("(%s, %s)", _1, _2);
+ }
+ } \ No newline at end of file