Java第一次作业

1.输出学号班级和姓名


package c1;

public class c11 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("193230132 计算机1901 杨英斌");
    }

}

2.输出以下图形

     *
    ***
   *****
    ***
     *
package c1;

public class c11 {

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

}

3.定义两个整型变量a=5  b=8  求平方和并输出
package c1;

public class c2 {

    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 @ 2021-03-05 11:52  杨英斌  阅读(46)  评论(0编辑  收藏  举报