public class TestMain {

    public static void  main(String[] args){

        hello();

    }

    public static void hello() {

        String className = Thread.currentThread().getStackTrace()[2].getClassName();

        String methodName = Thread.currentThread().getStackTrace()[2].getMethodName();

        int lineNumber = Thread.currentThread().getStackTrace()[2].getLineNumber();

        System.out.println(className);

        System.out.println(methodName);

        System.out.println(lineNumber);

    }

}