Here you can find the source of getParentPath()
public static String getParentPath()
//package com.java2s; /* /* w ww . ja v a 2s . c om*/ * Copyright 2008-2010 the original author or authors * * 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.io.File; import java.io.IOException; public class Main { /** * get the parent directory of the current directory * * @return parent directory of the current directory */ public static String getParentPath() { try { return new File("..").getCanonicalPath(); } catch (IOException ioe) { throw new IllegalStateException(ioe); } } }