/**
* a method that get the input from user and print out the magic square this is a recursive method
*/
public void getInput() {
System.out.print("please enter a positive odd integer __ or 0 to stop");
Scanner scan = new Scanner(System.in);
// check if the input is an intger
if (!scan.hasNextInt()) {
System.err.println("please enter a positive odd integer");
getInput();
} else {
int input = Integer.parseInt(scan.next());
if (input != 0) {
if (input < 0 || input % 2 == 0) {
System.err.println("please enter a positive odd integer");
getInput();
} else {
OddMagicSquare s = new OddMagicSquare(input);
String str = s.toString();
System.out.println("a magic square with dimension of " + input + "X" + input);
System.out.println(str);
getInput();
}
}
}
return;
}
/** @param args */
public static void main(String[] args) {
OddMagicSquare s = new OddMagicSquare(7);
String str = s.toString();
System.out.println("a test with input of 7");
System.out.println(str);
boolean tf = isMagic(s.getSquare());
System.out.println("is the square magic: " + tf);
s.getInput();
}