第一次上机作业

public class test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("193230131 计算机1901 许书源");

    }

}

 

 

public class test {

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

    }

}

 

 

public class test {

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

}