Java第一次作业

1.输出学号班级和姓名

package myWork;

 

public class work1 {

public static void main(String[] args) {

System.out.println("姓名:"+"温凯文,"+"学号:"+"193230430");

}

 

}

　　

 

 

 

 

 

 

2.输出以下图形

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

package myWork;

 

public class work1 {

 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

 

package myWork;

 

public class work1 {

public static void main(String[] args) {

        // TODO Auto-generated method stub

        int a=5,b=8,c;

        c=a*a+b*b;

        System.out.println(c);

 

    }

}