Mj Java
October 26th, 2009 | Author: Thriller
How to create random 16 digit number, with spaces every four digits?(Java)?
I'm working on an assignment for a class I'm taking, i need to generate a random 16 digit number cast it to a String with spaces every four digits (Like a credit card number). How do I do this?
Thanks,
MJ
I've thought about generating the 4 digit numbers and putting them together, truth is I don't really know how to use Random... help?
import java.util.Random;
public class YAnswers {
public static void main(String[] args){
Random r=new Random();
for(int i=0; i<4;i++){
for(int j=0; j<4;j++){
System.out.print(r.nextInt(10));
}
System.out.print(" ");
}
}
}
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