Java to get the class name, method name, line number of the currently running code __java

* * 1. Gets the class name, method name, and line number of the currently running code, mainly through the Java.lang.StackTraceElement class * * 2.
 * [1] Obtain the caller's method name, with the new throwable * String _methodname = new Exception (). Getstacktrace () [1].getmethodname ();
 * [0] Obtains the current method name, with the new throwable * String _thismethodname = new Exception (). Getstacktrace () [0].getmethodname ();  * */public class Stacktraceelementtest {public static void main (string[] args) {System.out.println ("line1:" + new
		Throwable (). Getstacktrace () [0].getlinenumber ());
		System.out.println ("line2:" + getlineinfo ());

		System.out.println ("Line3:" + gettraceinfo ());
		Stacktraceelement ste1 = null;
		stacktraceelement[] Stearray = Thread.CurrentThread (). Getstacktrace ();
		int stearraylength = Stearray.length;
		String s = null; Output all related info of the existing stack traces if (stearraylength==0) {System.err.println ("No stack Trace."
		);
				else {for (int i=0; i<stearraylength; i++) {System.out.println ("Stack trace-" + i); Ste1 = Stearray[i];
				s = ste1.getfilename () + ": line" + ste1.getlinenumber ();
			System.out.println (s);   
          
                }} public static String Gettraceinfo () {stringbuffer sb = new StringBuffer ();  
                Stacktraceelement[] Stacks = new Throwable (). Getstacktrace ();  
                int stackslen = Stacks.length; Sb.append ("Class:"). Append (Stacks[1].getclassname ()). Append ("; Method: "). Append (Stacks[1].getmethodname ()). Append (";  
          
                Number: "). Append (Stacks[1].getlinenumber ());  
         return sb.tostring ();
                public static String Getlineinfo () {stacktraceelement ste = new Throwable (). Getstacktrace () [1];
         return Ste.getfilename () + ": line" + ste.getlinenumber (); }
	
}