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);
         }
      }

2) What is the output of this program?
class asciicodes
{
public static void main(String args[])
{
char var1 = 'A';
char var2 = 'a';
System.out.println((int)var1 + " " + (int)var2);
}
}

3) What will be the output?

if(1 + 1 + 1 + 1 + 1 == 5)
  {
     System.out.print("TRUE");
  }
 else
  {
      System.out.print("FLASE");
 }

4) What will the output of the following program?

public class Test{
       public static void main(String args[])
  {
        float f = (1 / 4) * 10;
             int i = Math.round(f);
             System.out.println(i);
       }
 }

5) 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);
         }
      }