实例 Java 修饰符 private

public class Main {

  public String fname = "John";

  public String lname = "Doe";

  public String email = "john@doe.com";

  public int age = 24;

}

​

class Second {

  public static void main(String[] args) {

    Main myObj = new Main(); 

    System.out.println("Name: " + myObj.fname + " " + myObj.lname);

    System.out.println("Email: " + myObj.email);

    System.out.println("Age: " + myObj.age);

  }

}

​