java第一次作业

1.输出学号班级和姓名

public class Woke {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        
        System.out.println("193230513计算机1905刘昊");
    }
}

2.输出以下图形

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

public class Woke {

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

 

 3.定义两个整型变量a=5  b=8  求平方和并输出

public class Woke {

    /**
     * @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);
    }
}