Here you can find the source of swapAddresses(T o1, T o2)
public static <T extends Object> void swapAddresses(T o1, T o2)
//package com.java2s; /**/*www .ja v a 2s. c o m*/ * Copyright 2015, Emory University * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static <T extends Object> void swapAddresses(T o1, T o2) { T temp = o2; o2 = o1; o1 = temp; } }