获取当前运行的类名，方法名

public static void main(String[] arg)
{
     try {
    Test t = new Test();
    t.Log();
   } catch (Exception e) {
    e.printStackTrace();
   }
}
public void Log()
{
    System.out.println("方法名       "+Thread.currentThread().getStackTrace()[1].getMethodName());
     System.out.println("类名    "+Thread.currentThread().getStackTrace()[1].getClassName());
     System.out.println("文件名   " + Thread.currentThread().getStackTrace()[1].getFileName());
     System.out.println("所在的行数 "+Thread.currentThread().getStackTrace()[1].getLineNumber());
}