Java Examples: How to print a square in java?

Question:

How to print a square in java?

Code:

import java.util.Scanner;
 
public class Square {
 
  public static void main(String[] args) {
 
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter Integer: ");
    int size = sc.nextInt();
    for(int i=1;i<=size;i++){
      for(int j=1;j<=size;j++){
        if(i==1||i==size|j==1||j==size){
          System.out.print("* ");
        } else {
          System.out.print("  ");
        }
      }
      System.out.println();
    }
  }
}

Output:

$ java Square
Enter Integer: 10
* * * * * * * * * * 
*                 * 
*                 * 
*                 * 
*                 * 
*                 * 
*                 * 
*                 * 
*                 * 
* * * * * * * * * *