java 中的路径

 

System.out.println(Thread.currentThread().getContextClassLoader().getResource(""));  

System.out.println(FileTest.class.getClassLoader().getResource(""));  

System.out.println(ClassLoader.getSystemResource(""));  
System.out.println(FileTest.class.getResource(""));  
System.out.println(FileTest.class.getResource("/"));
//Class文件所在路径
System.out.println(new File("/").getAbsolutePath());