privateoverride.java

来自「Java编程思想第三版,作者书中全部原代码,」· Java 代码 · 共 26 行

//: c07:PrivateOverride.java
// Abstract classes and methods.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import com.bruceeckel.simpletest.*;

public class PrivateOverride {
  private static Test monitor = new Test();
  private void f() {
    System.out.println("private f()");
  }
  public static void main(String[] args) {
    PrivateOverride po = new Derived();
    po.f();
    monitor.expect(new String[] {
      "private f()"
    });
  }
}

class Derived extends PrivateOverride {
  public void f() {
    System.out.println("public f()");
  }
} ///:~