JAVA获取当前运行路径

1. package com.tuz;  
2.   
3. import java.io.File;  
4.   
5. public class CurrentDirectory {  
6.       
7.     public static void print(Object o) {  
8.         System.out.println(o);  
9.     }  
10.   
11.     public static void main(String[] args) throws Exception {  
12.         print(Thread.currentThread().getContextClassLoader().getResource(""));  
13.         print(CurrentDirectory.class.getClassLoader().getResource(""));  
14.         print(ClassLoader.getSystemResource(""));  
15.         print(CurrentDirectory.class.getResource(""));  
16.         print(CurrentDirectory.class.getResource("/"));  
17.         print(new File("").getAbsolutePath());  
18.         print(System.getProperty("user.dir"));  
19.     }  
20.       
21. }