帮我找一下错误怎么修改。
package java1;
import java.util.Scanner;
public class hao12309 {
public static void main(String[]args){
Scanner s=new Scanner(System.in);
System.out.println("请输入周期");
int n=s.nextInt();
switch (0){
System.out.println("星期天");
case 1:
System.out.println("星期一");
case 2:
System.out.prinltn("星期二");
case 3:
System.out.println("星期三");
case 4:
System.out.println("星期四");
case 5:
System.out.println("星期五");
case 6:
System.out.println("星期六");
dreak:
System.out.println("输入有误");
}
}
}