java -根据输入的名字，自动得到自己的分数

package Yang;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class Test_0413 {
static HashMap hm = new HashMap();
static Scanner sc = new Scanner(System.in);
static String name;
void guocheng(){
System.out.println("please input you name:");
name = sc.nextLine();
Set names = hm.keySet();
if (names.contains(name)){
System.out.println("you scores is"+" "+hm.get(name)+" "+"!");
}
else {
System.out.println("Sorry you name is not in list!");
}
}
public static void main(String []args){
hm.put("yang",80);
hm.put("liu", 90);
hm.put("xuan", 100);
Test_0413 test = new Test_0413();
test.guocheng();
}
}