1 /*
   2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.internal.net.http.common;
  27 
  28 /**
  29  * A simple paired value class
  30  */
  31 public final class Pair<T, U> {
  32 
  33     public Pair(T first, U second) {
  34         this.second = second;
  35         this.first = first;
  36     }
  37 
  38     public final T first;
  39     public final U second;
  40 
  41     // Because 'pair()' is shorter than 'new Pair<>()'.
  42     // Sometimes this difference might be very significant (especially in a
  43     // 80-ish characters boundary). Sorry diamond operator.
  44     public static <T, U> Pair<T, U> pair(T first, U second) {
  45         return new Pair<>(first, second);
  46     }
  47 
  48     @Override
  49     public String toString() {
  50         return "(" + first + ", " + second + ")";
  51     }
  52 }