What is the range of byte data type in Java?

What is the range of byte data type in Java?

2) What is the output of this program?

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

3) What is the range of byte data type in Java?

4) The following program:

public class Test{
     static boolean isOK;
         public static void main(String args[])
    {
               System.out.print(isOK);
         }
  }

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);
         }
      }