18.prime number using do...while loop

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 //prime number using do...while loop


import java.util.*;


class primedowhile

{

public static void main(String arg[])

{

int no, a = 2;

Scanner obj = new Scanner(System.in);

System.out.print("Enter any number : ");

no = obj.nextInt();


do

{

if(no % a == 0)

{

break;

}

a++;

}

while(a < no);

if(a == no)

System.out.println( no + " is Prime Number");

else

System.out.println("Number is Not Prime");

}

} 

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