Program in Java : To accept a number. Display the digits which are prime.
import java.util.Scanner;
public class primedigits
{
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
System.out.println("Enter a number:");
int n = sc.nextInt();
while(n>0)
{
int d=n%10;
if(d==2 || d==3 || d==5 || d==7)
System.out.println("Prime digits: "+d);
d=n/10;
}
}
}