1. class Convert {2.   public static void main(String[] args) {3.    Long xL = new Long(456L);4.    long x1 = Long.valueOf("123");5.    Long x2 = Long.valueOf("123");6.    long x3 = xL.longValue();7.    Long x4 = xL.longValue();8.    Long x5 = Long.parseLong("456");9.    long x6 = Long.parseLong("123");10.   }11. }