package name.xu;
public class CallStack {
  public static void printCallStatck() {
    Throwable ex = new Throwable();
    StackTraceElement[] stackElements = ex.getStackTrace();
    if (stackElements != null) {
      for (int i = 0; i < stackElements.length; i++) {
        System.out.print(stackElements[i].getClassName()+"/t");
        System.out.print(stackElements[i].getFileName()+"/t");
        System.out.print(stackElements[i].getLineNumber()+"/t");
        System.out.println(stackElements[i].getMethodName());
        System.out.println("-----------------------------------");
      }
    }
  }
  
}

Exception e = new Exception("this is a log");
e.printStackTrace();