What is the output of this program?

class area
 {
       

What is the output of this program?

class area
 {
         public static void main(String args[])
          {
                  double r, pi, a;
              r = 9.8;
              pi = 3.14;
              a = pi * r * r;
              System.out.println(a);
         }
      }

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1) What is the output of this program?

class Output
      {
         public static void main(String args[])
          {
                  int a = 1;
              int b = 2;
              int c;
              int d;
              c = ++b;
              d = a++;
              c++;
              b++;
              ++a;
              System.out.println(a + " " + b + " " + c);
         }
      }

2) What will be the output of these statement?

class output
 {
         public static void main(String args[])
          {
             double a, b,c;
             a = 3.0/0;
             b = 0/4.0;
             c=0/0.0;
   	    System.out.println(a);
             System.out.println(b);
             System.out.println(c);
         }
      }

3) What is the output of this program?

class increment
      {
         public static void main(String args[])
          {
                      int g = 3;
              System.out.print(++g * 8);
         }
      }

4) What is the output of this program?

class average
 {
         public static void main(String args[])
         {
             double num[] = {5.5, 10.1, 11, 12.8, 56.9, 2.5};
             double result;
             result = 0;
             for (int i = 0; i < 6; ++i)
                  result = result + num[i];
 	    System.out.print(result/6);
           }
      }

5) What is the output of this program?

class Modulus
      {
         public static void main(String args[])
          {
                  double a = 25.64;
              int  b = 25;
              a = a % 10;
              b = b % 10;
              System.out.println(a + " "  + b);
         }
      }