测试给定文件是否位于给定目录中。

/**来自 
 时 代 J     a    v  a - nowjava.com**/

//package com.nowjava;


import java.io.File;

import java.io.IOException;


public class Main {

    public static void main(String[] argv) throws Exception {

        File file = new File("Main.java");

        File dir = new File("Main.java");

        System.out.println(isLocatedInside(file, dir));

    }


    /**

     * Test if a given file is located inside the given directory.

     * 

     * @param file

     * @param dir

     * @return

     * @throws IOException

     */

    public static boolean isLocatedInside(File file, File dir)