實驗題目

1、面向?qū)ο缶幊蹋↗ava）——實驗教學(xué)大綱內(nèi)容子類與繼承——三種人.......................................................................................................................11、相關(guān)知識點.............................................................

2、........................................................12、實驗?zāi)康?........................................................................................................................13、實驗要求.............................

3、............................................................................................14、實驗指導(dǎo).........................................................................................................................

4、2子類與繼承——計算利息(2014.11.20)...........................................................................................31、相關(guān)知識點.................................................................................................

5、....................32、實驗?zāi)康?........................................................................................................................33、實驗要求.................................................................

6、........................................................34、實驗指導(dǎo).........................................................................................................................45、思考題..............................

7、...............................................................................................4組件及事件處理——布局與日歷(2014.11.28).................................................................................51、相關(guān)知識點.........

8、............................................................................................................52、實驗?zāi)康?........................................................................................................

9、................53、實驗要求.........................................................................................................................54、實驗指導(dǎo).....................................................................

10、....................................................65、思考題.............................................................................................................................628面向?qū)ο缶幊蹋↗ava）——實驗教學(xué)大綱求AmericanPeopl

11、e重寫父類的publicvoidspeakHello()、publicvoidaverageHeight()和publicvoidaverageWeight()方法。?BeijingPeople類是ChinaPeople的子類，新增了publicvoidbeijingOpera()方法。要求BeijingPeople重寫父類的publicvoidspeakHello()、publicvoidaverageHeight()和publicv

12、oidaverageWeight()方法。People、ChinaPeople、AmericanPeople和BeijingPeople類的UML圖如下：4、實驗指導(dǎo)實驗指導(dǎo)?如果子類繼承父類的方法，子類就有權(quán)利重寫這個方法，子類通過重寫父類的方法可以改變方法的具體行為。?方法重寫時一定要保證方法的名字和類型、參數(shù)個數(shù)和類型同父類的某個方法完全相同，只有這樣子類繼承的父類的這個方法才被隱藏。?子類在重寫方法時，不可以將實例方法更改為類方