實(shí)驗(yàn)題目

1、面向?qū)ο缶幊蹋↗ava）——實(shí)驗(yàn)教學(xué)大綱內(nèi)容子類(lèi)與繼承——三種人.......................................................................................................................11、相關(guān)知識(shí)點(diǎn).............................................................

2、........................................................12、實(shí)驗(yàn)?zāi)康?........................................................................................................................13、實(shí)驗(yàn)要求.............................

3、............................................................................................14、實(shí)驗(yàn)指導(dǎo).........................................................................................................................

4、2子類(lèi)與繼承——計(jì)算利息(2014.11.20)...........................................................................................31、相關(guān)知識(shí)點(diǎn).................................................................................................

5、....................32、實(shí)驗(yàn)?zāi)康?........................................................................................................................33、實(shí)驗(yàn)要求.................................................................

6、........................................................34、實(shí)驗(yàn)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(shí)點(diǎn).........

8、............................................................................................................52、實(shí)驗(yàn)?zāi)康?........................................................................................................

9、................53、實(shí)驗(yàn)要求.........................................................................................................................54、實(shí)驗(yàn)指導(dǎo).....................................................................

10、....................................................65、思考題.............................................................................................................................628面向?qū)ο缶幊蹋↗ava）——實(shí)驗(yàn)教學(xué)大綱求AmericanPeopl

11、e重寫(xiě)父類(lèi)的publicvoidspeakHello()、publicvoidaverageHeight()和publicvoidaverageWeight()方法。?BeijingPeople類(lèi)是ChinaPeople的子類(lèi)，新增了publicvoidbeijingOpera()方法。要求BeijingPeople重寫(xiě)父類(lèi)的publicvoidspeakHello()、publicvoidaverageHeight()和publicv

12、oidaverageWeight()方法。People、ChinaPeople、AmericanPeople和BeijingPeople類(lèi)的UML圖如下：4、實(shí)驗(yàn)指導(dǎo)實(shí)驗(yàn)指導(dǎo)?如果子類(lèi)繼承父類(lèi)的方法，子類(lèi)就有權(quán)利重寫(xiě)這個(gè)方法，子類(lèi)通過(guò)重寫(xiě)父類(lèi)的方法可以改變方法的具體行為。?方法重寫(xiě)時(shí)一定要保證方法的名字和類(lèi)型、參數(shù)個(gè)數(shù)和類(lèi)型同父類(lèi)的某個(gè)方法完全相同，只有這樣子類(lèi)繼承的父類(lèi)的這個(gè)方法才被隱藏。?子類(lèi)在重寫(xiě)方法時(shí)，不可以將實(shí)例方法更改為類(lèi)方