java读取properties文件内容

@Test
public void test2() throws Exception{
//第一种
ClassLoader c = this.getClass().getClassLoader();
String s ="com\\beijing\\haha\\jdbc.properties";
InputStream in = c.getResourceAsStream(s);
Properties p = new Properties();
p.load(in);
System.out.println(p.getProperty("user"));
//第二种
FileInputStream fi = new FileInputStream(new File("jdbc.properties"));
Properties p2 = new Properties();
p2.load(fi);
System.out.println(p2.getProperty("user"));
}