passreferences.java

来自「think in java TIJ-3rd-edition-code.zip」· Java 代码 · 共 20 行

//: appendixa:PassReferences.java
// Passing references around.
import com.bruceeckel.simpletest.*;

public class PassReferences {
  static void f(PassReferences h) {
    System.out.println("h inside f(): " + h);
  }
  public static void main(String[] args) {
    SimpleTest monitor =
      new SimpleTest("PassReferences");
    PassReferences p = new PassReferences();
    System.out.println("p inside main(): " + p);
    f(p);
    monitor.expect(new String[] {
      "p inside main(): PassReferences@82f0db",
      "h inside f(): PassReferences@82f0db"
    });
  }
} ///:~