java第一周作业

1.输出学号班级和姓名

public class homewoke {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
         System.out.println("193230215 计算机1902 刘欢");
    }

}

2.输出以下图形

     *
    ***
   *****
    ***
     *


public class homewoke {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
                System.out.println("  *  ");
                System.out.println(" *** ");
                System.out.println("*****");
                System.out.println(" *** ");
                System.out.println("  *  ");
    }

}

3.定义两个整型变量a=5  b=8  求平方和并输出

public class homewoke {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
             int a = 5;
             int b = 8;
             System.out.println(a * a + b * b);
    }

}

 

posted @ 2021-03-06 15:17  15*  阅读(47)  评论(0编辑  收藏  举报