1回答

• 

  宝慕林9066606

  2019-06-29 18:02:19

  public class HelloWorld {
   public static void main(String[] args) {
         
   System.out.println("打印直角三角形");
   int i,j;
          i=1;
          while (i<=3) {
          j=1;
              while (j<=i) {
                  System.out.print("*");
                  j++;
                  }

              System.out.print("\n");
              i++;
          }
      }
  }

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