打印直角三角型和打标签

打印直角三角型和打标签

package Basic;

public class Test1 {
    public static void main(String[]args){
        for (int i = 0; i < 10; i++ ){//打印直角三角型
            for (int j = 0; j < 10; j++){
                if (i>=j){
                    System.out.print("*");
                }
            }
            System.out.println();
        }
    }
}
*
**
***
****
*****
******
*******
********
*********
**********

Process finished with exit code 0

package Basic;

public class Test {
    public static void main(String[] args){//for循环可已打标签，使用break + 标签名可以 退出 被打标签的循环
        flag:for (int j = 1; j <= 8; j++ ){
            for (int i = 1; i <=7; i++ ){
                if (j == 5 && i == 6){
                    break flag;
                }

                System.out.println(j+"=="+i);
            }
        }



        }
    }
1==1
1==2
1==3
1==4
1==5
1==6
1==7
2==1
2==2
2==3
2==4
2==5
2==6
2==7
3==1
3==2
3==3
3==4
3==5
3==6
3==7
4==1
4==2
4==3
4==4
4==5
4==6
4==7
5==1
5==2
5==3
5==4
5==5

Process finished with exit code 0