How do I make my code run in a loop and ask the user “Try again Yes or no?”

Question

import java.io.*;
public class Magic{

   static final int maxsize = 50;

    public static void main (String [] args) throws IOException{

      int i, j, k, l, n, key;         


        

Answer 1

Wrap the try/catch statement with a while loop.

while(not true) {
    do foo()
}

Answer 2

Put your code that computes your magic square in a separate method, and have your input reading code in a while loop, that calls that method until the user presses N, for example.

Answer 3

Check out the Scanner class.

Answer 4

String tryAgain = "y";
do
{
   // you code

   System.out.println("Try again? enter \"y/n\".");
   tryAgain = System.in.readLine();

}
while(!tryAgain.equals("n"));