Java Program to check whether a no. is composite or not

//Composite Number checker.

import java.util.*;

class Composite

{

public static void main(String args[])

{

Scanner sc=new Scanner(System.in);

int m,n,p,q,k;

do

{

System.out.println("Enter the no. zero to quit");

n=sc.nextInt();

if(n!=0)

{

System.out.println("Enter no.");

}

else

{

System.out.println("End of the process");

System.exit(0);

}

m=sc.nextInt();

k=m;

p=2;

q=0;

do

{

if(m%p==0)

q=q+1;

p=p+1;

}while(p!=m);

if(q>=1)

System.out.println("Composite No.");

else

System.out.println("Not Composite");

}while(n!=0);

}

}