Here you can find the source of getPort(String hostAndPort)
public static int getPort(String hostAndPort)
//package com.java2s; /* Copyright 2009, 2012 predic8 GmbH, www.predic8.com // ww w.j a va2 s .co m 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. */ import java.net.MalformedURLException; import java.net.URL; public class Main { public static int getPort(String hostAndPort) { return Integer.parseInt(hostAndPort.split(":")[1]); } public static int getPort(URL url) throws MalformedURLException { int port = url.getPort(); if (port == -1) { port = url.getDefaultPort(); if (port == -1) port = 80; } return port; } }