使用for循环打印3x3矩阵

public class Main {  

  public static void main(String[] args) { 

    for(int i = 1; i <= 3; i++) { 

      for(int j = 1; j <= 3; j++) {
      /** from 
      nowjava.com - 时  代  Java**/

        System.out.print(i + "" + j);

        

        // Print a tab, except for the last number in a row

        if (j < 3) {

          System.out.print("\t");

        }

      }


      // Print a new line, except after the last line

      if (i < 3) {

        System.out.println();

      }/** N o w  J a v a  .   c o m 提 供 **/

    }

  }

}