What is the output of this program?

class mainclass
 {
  

What is the output of this program?

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

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 output of this program?

class array_output
 {
         public static void main(String args[])
          {
                 char array_variable [] = new char[10];
 	    for (int i = 0; i < 10; ++i)
 {
                 array_variable[i] = 'i';
                 System.out.print(array_variable[i] + "" );
                 i++;
             }
         }
      }

4) What is the output of this program?

class dynamic_initialization
      {
         public static void main(String args[])
          {
             double a, b;
             a = 3.0;
             b = 4.0;
 	    double c = Math.sqrt(a * a + b * b);
 	    System.out.println(c);
         }
      }

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);
         }
      }