目录
- 实验代码
- WeatherState.java
- Weather.java
- WeatherForecast.java
- CloudyLittleState.java
- CloudyDayState.java
- HeavyRainState.java
- LightRainState.java
- 运行结果
实验代码
WeatherState.java
package lab2; public interface WeatherState { public void showState(); }
Weather.java
package lab2; public class Weather { WeatherState state; public void show() { state.showState(); } public void setState(WeatherState s) { state = s; } }
WeatherForecast.java
package lab2; public class WeatherForecast { public static void main(String args[]) { Weather weatherBeijing = new Weather(); System.out.print(\"\\n 今天白天:\"); weatherBeijing.setState(new CloudyDayState()); weatherBeijing.show(); System.out.print(\"\\n 今天夜间:\"); weatherBeijing.setState(new LightRainState()); weatherBeijing.show(); System.out.print(\"转:\"); weatherBeijing.setState(new HeavyRainState()); weatherBeijing.show(); System.out.print(\"\\n 明天白天:\"); weatherBeijing.setState(new LightRainState()); weatherBeijing.show(); System.out.print(\"\\n 明天夜间:\"); weatherBeijing.setState(new CloudyLittleState()); weatherBeijing.show(); } }
CloudyLittleState.java
package lab2; public class CloudyLittleState implements WeatherState { public void showState() { System.out.print(\"少云,有时晴!\"); } }
CloudyDayState.java
package lab2; public class CloudyDayState implements WeatherState{ @Override public void showState() { System.out.println(\"多云,为阴天!\"); } }
HeavyRainState.java
package lab2; public class HeavyRainState implements WeatherState { @Override public void showState() { System.out.println(\"有大雨来临!\"); } }
LightRainState.java
package lab2; public class LightRainState implements WeatherState { @Override public void showState() { System.out.println(\"小雨,几乎没有雨!\"); } }
运行结果
以上就是利用Java实现天气预报播报功能的详细内容,更多关于Java天气预报播报的资料请关注其它相关文章!
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