Java public 关键字

实例

MyClass 访问具有公共属性的公共 Person 类:

/* 来自 filename 的代码:Person.java
public class Person {
  public String fname = "John";
  public String lname = "Doe";
  public String email = "john@doe.com";
  public int age = 24;
}
*/

class MyClass {
  public static void main(String[] args) {
    Person myObj = new Person();
    System.out.println("Name: " + myObj.fname + " " + myObj.lname);
    System.out.println("Email: " + myObj.email);
    System.out.println("Age: " + myObj.age);
  }
}