What is the range of short data type in Java?

What is the range of short data type in Java?

2) What is the output of below code snippet?

  class A
 {
   }
   enum Enums extends A
 {
     ABC, BCD, CDE, DEF;
 }

3) Which of the following is the advantage of BigDecimal over double?

4) What is the numerical range of a char data type in Java?

5) What is the output of this program?

      class mainclass {
         public static void main(String args[])
          {
             char a = 'A';
             a++;
 	    System.out.print((int)a);
         }
      }