What is the range of byte data type in Java?

What is the range of byte data type in Java?

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1) Which of these literals can be contained in float data type variable?

2) What is the output of this program?

class mainclass {
         public static void main(String args[])
          {
             boolean var1 = true;
 	    boolean var2 = false;
 	    if (var1)
 	      System.out.println(var1);
 	    else
 	        System.out.println(var2);
        }
      }

3) Which of the following is not provided by BigDecimal?

4) What is the output of below code snippet?

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

5) Which of the below data type doesn’t support overloaded methods for +,-,* and /?