码农教程 - 一技在手,衣食无忧! tools

目录

Java public Keyword

❮ Java Keywords

Example

Second accesses a public Main class with public attributes:

/* Code from filename: Main.java
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);
  }
}

Try it Yourself »

Definition and Usage

The public keyword is an access modifier used for classes, attributes, methods and constructors, making them accessible by any other class.

Related Pages

Read more about modifiers in our Java Modifiers Tutorial.

❮ Java Keywords