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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>page_896</title> <link rel="stylesheet" href="reset.css" type="text/css" media="all"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> </head> <body> <table summary="top nav" border="0" width="100%"> <tr> <td align="left" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_895.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_896</strong></td> <td align="right" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_897.html">next page ></a></td> </tr> <tr> <td align="left" colspan="3" style="background: #ffffff; padding: 20px;"> <table border="0" width="100%" cellpadding="0"><tr><td align="center"> <table border="0" cellpadding="2" cellspacing="0" width="100%"><tr><td align="left"></td> <td align="right"></td> </tr></table></td></tr><tr><td align="left"><p></p><table border="0" cellspacing="0" cellpadding="0" width="100%"><tr><td align="right"><font face="Times New Roman, Times, Serif" size="2" color="#FF0000">Page 896</font></td></tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"></td> <td colspan="3" height="12"></td> <td rowspan="5"></td></tr><tr><td colspan="3"></td></tr><tr><td></td> <td><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">聽聽聽聽void聽Deposit(聽/*聽in聽*/聽float聽amount聽);<br />聽聽聽聽float聽CurrentBalance()聽const;<br />private:<br />聽聽聽聽float聽balance;<br />};<br /><br />3.聽Checkbook聽personalAcct;<br />聽聽聽Checkbook聽businessAcct;<br />4.聽personalAcct.Open(300.0);<br />聽聽聽personalAcct.WriteCheck(50.25);<br />聽聽聽personalAcct.WriteCheck(150.0);<br />聽聽聽personalAcct.Deposit(87.34);<br />聽聽聽cout聽<<聽$聽<聽personalAcct.CurrentBalance()聽<聽endl;<br /><br />5.聽a.聽void聽Checkbook:聽:Open(聽/*聽in聽*/聽float聽initBalance聽)<br />聽聽聽聽聽聽{<br />聽聽聽聽聽聽聽聽聽聽balance聽=聽initBalance;<br />聽聽聽聽聽聽}<br /><br />聽聽聽b.聽void聽Checkbook:聽:WriteCheck(聽/*聽in聽*/聽float聽amount聽)<br />聽聽聽聽聽聽{<br />聽聽聽聽聽聽聽聽聽聽balance聽=聽balance聽-聽amount;<br />聽聽聽聽聽聽}<br /><br />聽聽聽c.聽float聽Checkbook:聽:CurrentBalance()聽const<br />聽聽聽聽聽聽{<br />聽聽聽聽聽聽聽聽聽聽return聽balance;<br />聽聽聽聽聽聽}<br /><br />6.聽personalAcct.balance聽=聽10000.0;<br /></font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"></td> <td colspan="3" height="12"></td> <td rowspan="5"></td></tr><tr><td colspan="3"></td></tr><tr><td></td> <td><font face="Times New Roman, Times, Serif" size="3">7. The C++ class declaration of Question 2 would be located in the specification file. The C++ function definitions of Question 5 would be located in the implementation file.</font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"></td> <td colspan="3" height="12"></td> <td rowspan="5"></td></tr><tr><td colspan="3"></td></tr><tr><td></td> <td><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">8.聽a.聽class聽Checkbook<br />聽聽聽聽聽聽{<br />聽聽聽聽聽聽public:<br />聽聽聽聽聽聽聽聽聽聽聽void聽WriteCheck(聽/*聽in聽*/聽float聽amount聽);<br />聽聽聽聽聽聽聽聽聽聽聽void聽Deposit(聽/*聽in聽*/聽float聽amount聽);<br />聽聽聽聽聽聽聽聽聽聽聽float聽CurrentBalance()聽const;<br />聽聽聽聽聽聽聽聽聽聽聽Checkbook();<br />聽聽聽聽聽聽聽聽聽聽聽Checkbook(聽/*聽in聽*/聽float聽initBalance聽);<br />聽聽聽聽聽聽private:<br />聽聽聽聽聽聽聽聽聽聽聽float聽balance;<br />聽聽聽聽聽聽};<br /><br />聽聽聽b.聽Checkbook::Checkbook()<br />聽聽聽聽聽聽{<br />聽聽聽聽聽聽聽聽聽聽聽balance聽=聽0.0;<br />聽聽聽聽聽聽}<br />聽聽聽聽聽聽Checkbook::Checkbook(聽/*聽in聽*/聽float聽initBalance聽)<br />聽聽聽聽聽聽{<br />聽聽聽聽聽聽聽聽聽聽聽balance聽=聽initBalance;<br />聽聽聽聽聽聽}</font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table></td></tr></table><p><font size="0"></font></p>聽 </td> </tr> <tr> <td align="left" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_895.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_896</strong></td> <td align="right" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_897.html">next page ></a></td> </tr> </table> </body> </html>⌨️ 快捷键说明
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