编程题：程序填空题1

以下程序不完整，请你补全代码，已经给定的代码无误，不允许修改。

import java.util.ArrayList;

public class Main{
private ArrayList slist = new ArrayList();
	
	public void addStudent(Student s){
		this.slist.add(s);
	}
	
	public void showStudent(){
		for(Student s:slist){
			System.out.println(s);
		}
	}
	
	public static void main(String[] args) {
		Main t = new Main();
		t.addStudent(new Student("2016001","rose",18));
		t.addStudent(new Student("2016002","hunifu",19));
		t.addStudent(new Student("2016003","britsh",20));
		t.addStudent(new Student("2016004","sunni",17));
		t.showStudent();
	}
}

class Student {
	//补全代码处
}


### 输入格式:

无

### 输出格式:

无

### 输入样例:


```in

```

### 输出样例:

```out
2016001 rose 18
2016002 hunifu 19
2016003 britsh 20
2016004 sunni 17
```






答案：若无答案欢迎评论