prediction.java

来自「经典java书籍《thinking in java（第三版）》的源码」· Java 代码 · 共 14 行

//: c11:Prediction.java
// Predicting the weather with groundhogs.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

public class Prediction {
  private boolean shadow = Math.random() > 0.5;
  public String toString() {
    if(shadow)
      return "Six more weeks of Winter!";
    else
      return "Early Spring!";
  }
} ///:~