java第一次作业

package com.company;

public class Main {

    public static void main(String[] args) {
        System.out.println("计算机1904杨昊明193230433");
    }
}

package homework;

public class home2 {

 /**
  * @param args
  */
 public static void main(String[] args) {
 System.out.println("  *  ");
 System.out.println(" *** ");
 System.out.println("*****");
 System.out.println(" *** ");
 System.out.println("  *  ");

 }

}

　　

package homework;

public class home3 {

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

}