初学Java 九九乘法表

 1 public class MultiplicationTable {
 2   public static void main(String[] args) {
 3       System.out.println("              Multiplication Table");
 4       System.out.print("    ");
 5       for (int j = 1; j <= 9; j++)
 6           System.out.print("   " + j);
 7       
 8       System.out.println("
----------------------------------------");
 9       
10       for (int i = 1; i <= 9; i++) {
11           System.out.print(i + " | ");
12           for (int j = 1; j <=9; j++) {
13               System.out.printf("%4d", i * j);
14           }
15           System.out.println();
16       }
17   }
18 }