https://fgchen.com/wiki/index.php?action=history&feed=atom&title=SCJP_1.6%E7%89%88%E8%80%83%E9%A1%8C_034SCJP 1.6版考題 034 - 修訂歷史2026-04-13T11:42:14Z本 Wiki 上此頁面的修訂歷史MediaWiki 1.29.0https://fgchen.com/wiki/index.php?title=SCJP_1.6%E7%89%88%E8%80%83%E9%A1%8C_034&diff=1395&oldid=prevIkk：新頁面: Which four statements are true? (Choose four.) A. Has-a relationships should never be encapsulated. B. Has-a relationships should be implemented using inheritance. C. Has-...2013-03-30T08:02:01Z<p>新頁面: Which four statements are true? (Choose four.) A. Has-a relationships should never be encapsulated. B. Has-a relationships should be implemented using inheritance. C. Has-...</p>
<p><b>新頁面</b></p><div> Which four statements are true? (Choose four.)<br />
A. Has-a relationships should never be encapsulated.<br />
B. Has-a relationships should be implemented using inheritance.<br />
C. Has-a relationships can be implemented using instance variables.<br />
D. Is-a relationships can be implemented using the extends keyword.<br />
E. Is-a relationships can be implemented using the implements keyword.<br />
F. The relationship between Movie and Actress is an example of an is-a relationship.<br />
G. An array or a collection can be used to implement a one-to-many has-a relationship. <br />
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<span style="font-size:medium;">解答</span><br />
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<span style="font-size: medium;">Ans: C D E G </span><br />
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<span style="font-size:medium;"> 解說:<br />
那四個敘述是正確的？<br />
Has-a 關係應該永遠不能被封裝<br />
Has-a 關係應該以繼承的方式實作<br />
Has-a 關係可以用物件變數的方式被實現出來<br />
Is-a關係可用extends關鍵字實現出來<br />
Is-a關係可用implements關鍵字實現出來<br />
電影和女演員間的關係是一個Is-a關係的例子<br />
一個陣列或一個集合可以被用來實作一對多的has-a關係<br />
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{{SCJP 1.6版考題講解}}</div>Ikk