双重for循环练习直角三角形

Posted 2020-12-27 jingcaibin

public class Boy{
    public static void main (String []args ){
        int i ,j;
        for (i=0;i<5;i++){//控制行数
            for (j=0;j<=i;j++){//控制*的数量
                System.out.print("*");
            
            }
            
            System.out.println("");
            
        }
        
        
        
        
        
        
    }
    
    
    
}