package Home;
public class Home {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("193230136 计算机1901 张昊");
}
}
![](https://img2020.cnblogs.com/blog/2318909/202103/2318909-20210307153130372-599244044.png)
package Home2;
public class Home2 {
/**
* @param args
*/
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(" *");
}
}
![](https://img2020.cnblogs.com/blog/2318909/202103/2318909-20210307153206102-1403350189.png)
package Home3;
public class Home3 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int a=5,b=8,c;
c=a*a+b*b;
System.out.println(c);
}
}
![](https://img2020.cnblogs.com/blog/2318909/202103/2318909-20210307153223933-436897282.png)