Java第一次作业

public class Exe1 {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("193230128计算机1901金百乙");

    }

public class Exe2 {

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

 

 

public class Exe3 {

    /**
     * @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);
    }

}