for15.java

该原代码为＜Java编程基础、应用与实例＞的附盘代码

public class For15{
  public static void main(String[] args){
     for(int a=1;a<=5;a++){
         for(int b=1; b<=a;b++)
             System.out.print('*');  
         System.out.println();
     }
  }
}