Java第一次作业

1.输出学号班级和姓名

public class Homework {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
 System.out.println("193230514,计算机1905刘文博");
    }

}

 

 2.输出以下图形

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

public class Homework1 {

    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 Homework2 {

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

}