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Friday, 8 April 2011

Java program to find whether the given number is prime or not

import java.util.*;
class prime
{
public static void main (String arg[])
{
Scanner in=new Scanner (System.in);
int a,b=2,c=1,d;
System.out.print ("\n\t Enter first number = ");
a=in.nextInt();
System.out.print ("\n\t Enter second number = ");
d=in.nextInt();
a+=d;
System.out.println ("\n\t Sum of the numbers = "+a);
while (b<=a/2)
{
if (a%b==0)
c=0;
++b;
}
if (c==0)
System.out.println ("\n\t Sum of the numbers 
is Not a prime number ");
else 
System.out.println ("\n\t Sum of the numbers 
is Prime number ");
}
}

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