问编译外部类时在编译java时找不到符号

EN

public class Main{

  public static void main(String[] args) {
        // Scanner scann = new Scanner(System.in);
        Programmer john = new Programmer();
        System.out.println(john);
  }

 }

public class Programmer {
  String language = "java";
  String framework = "Spring";
} 

main.java:8: error: cannot find symbol
        Programmer john = new Programmer();
        ^
symbol:   class Programmer
location: class Main
main.java:8: error: cannot find symbol
        Programmer john = new Programmer();
                              ^
symbol:   class Programmer
location: class Main
2 errors