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<blockquote data-quote="h_abeysinghe" data-source="post: 10059891" data-attributes="member: 123721"><p><span style="color: Blue"><strong><span style="color: Black">Written Answers and Marks <img src="/styles/default/xenforo/smilies/default/D.gif" class="smilie" loading="lazy" alt=":D" title="Big grin :D" data-shortname=":D" /></span></strong></span></p><p><span style="color: Blue"><strong></strong></span></p><p><span style="color: Blue"><strong>11.</strong><strong>List <strong>TWO </strong>code conventions associated with <em>comments</em>.</strong></span></p><p><span style="color: Blue"><strong>Marks: 2.0</strong></span></p><p> <span style="color: Blue"><strong>ANS:</strong></span></p><p></p><ol> <li data-xf-list-type="ol"><span style="color: Red">A comment block should be included before each class and method(except main method).</span></li> <li data-xf-list-type="ol"><span style="color: Red">Comments should not reiterate what is clear from the code.</span></li> <li data-xf-list-type="ol"><span style="color: Red">An introductory comment should begin a program.</span></li> </ol><p></p><p><span style="color: Blue"><strong>12.List <strong>ONE </strong>code convention related to <em>indentation</em>.</strong></span></p><p><span style="color: Blue"><strong>Marks: 1.0 </strong></span></p><p><span style="color: Blue"><strong>ANS</strong></span>: </p><ol> <li data-xf-list-type="ol"><span style="color: Red">Statements in a method should be indented.</span></li> <li data-xf-list-type="ol"><span style="color: Red">An open curly brace(bracket, { ) should be placed on the same line as the class or method declaration, and the closing curly brace (}) should be on a separate line and aligned with the class or method declaration.</span></li> </ol><p><span style="color: Blue"><strong>13.Identify <strong>FOUR</strong> violations of Code Conventions in the above application.</strong></span></p><p><span style="color: Blue"><strong>Marks: 4.0 </strong></span></p><p>[CODE]</p><p>/**</p><p> * PrintInternetRules.java</p><p> * Name: WongPuter</p><p> * Description: Displays student rules for accessing the Internet.</p><p>/*</p><p></p><p>public class PrintInternetRules</p><p> public static void main(String[] args) {</p><p> System.out.println("Internet Rules\n");</p><p> System.out.println("1. Use school issued login and password.");</p><p> System.out.println("2. Do not download any files.")</p><p> system.out.println("3. Do not reveal personal information.");</p><p> }</p><p>}</p><p>[/CODE]<strong><span style="color: Blue">ANSWER</span></strong></p><p><strong></strong></p><ol> <li data-xf-list-type="ol"><span style="color: Red">Date is missing in the comment block.</span></li> <li data-xf-list-type="ol"><span style="color: Red">Class name should be a noun.</span></li> <li data-xf-list-type="ol"><span style="color: Red">The opening brace bracket ({) of main method should line up with the closing brace bracket (}).</span></li> <li data-xf-list-type="ol"><span style="color: Red">System.out.println("Internet Rules\n"); should line up with the rest of System.out.println.</span></li> </ol><p><span style="color: Blue"><strong>Correction:</strong></span></p><p>[CODE]</p><p></p><p> /**</p><p> * PrintInternetRules.java</p><p> * Name: WongPuter</p><p> *[COLOR=Red] Date: Feb 18, 2011[/COLOR]</p><p> * Description: Displays student rules for accessing the Internet.</p><p>*/</p><p></p><p>public class [COLOR=Red]InternetRules[/COLOR]</p><p> public static void main(String[] args) </p><p>[COLOR=Red] {[/COLOR]</p><p> [COLOR=Red]System.out.println("Internet Rules\n");[/COLOR]</p><p> System.out.println("1. Use school issued login and password.");</p><p> System.out.println("2. Do not download any files.")</p><p> system.out.println("3. Do not reveal personal information.");</p><p> }</p><p>}</p><p>[/CODE]<span style="color: Blue"><strong></strong></span></p><p><span style="color: Blue"><strong></strong></span></p><p><span style="color: Blue"><strong>14.Identify <strong>FOUR</strong> errors in the above application.</strong></span></p><p><span style="color: Blue"><strong>Marks: 4.0 </strong></span></p><p>[CODE]</p><p>/**</p><p> * PrintInternetRules.java</p><p> * Description: Displays student rules for accessing the Internet.</p><p>/*</p><p></p><p>public class PrintInternetRules</p><p> public static void main(String[] args) {</p><p> System.out.println("Internet Rules\n");</p><p> System.out.println("1. Use school issued login and password.");</p><p> System.out.println("2. Do not download any files.")</p><p> system.out.println("3. Do not reveal personal information.");</p><p> }</p><p>}[/CODE]<strong></strong></p><p><strong>ANSWER</strong></p><p></p><ol> <li data-xf-list-type="ol"><span style="color: Red">The comment block should be closed with */ but not /*.</span></li> <li data-xf-list-type="ol"><span style="color: Red">A brace bracket is missing after the class declaration.</span></li> <li data-xf-list-type="ol"><span style="color: Red">A ; is missing at the end of System.out.println("2. Do not download any files.")</span></li> <li data-xf-list-type="ol"><span style="color: Red">"system" should be typed as "System"</span></li> </ol><p><strong>Correction:</strong></p><p>[CODE]</p><p>/**</p><p> * PrintInternetRules.java</p><p> * Description: Displays student rules for accessing the Internet.</p><p>[COLOR=Red] */[/COLOR]</p><p></p><p>public class PrintInternetRules</p><p>[COLOR=Red]{[/COLOR]</p><p> public static void main(String[] args) {</p><p> System.out.println("Internet Rules\n");</p><p> System.out.println("1. Use school issued login and password.");</p><p> System.out.println("2. Do not download any files.")[COLOR=Red];[/COLOR]</p><p> [COLOR=Red]S[/COLOR]ystem.out.println("3. Do not reveal personal information.");</p><p> }</p><p>}</p><p>[/CODE]<img src="/styles/default/xenforo/smilies/default/D.gif" class="smilie" loading="lazy" alt=":D" title="Big grin :D" data-shortname=":D" /></p><p>meka apita dunne Online Quiz ekak widiyata pc eken karana <img src="/styles/default/xenforo/smilies/default/D.gif" class="smilie" loading="lazy" alt=":D" title="Big grin :D" data-shortname=":D" /> so ekama copy karala damma <img src="/styles/default/xenforo/smilies/default/wink.gif" class="smilie" loading="lazy" alt=";)" title="Wink ;)" data-shortname=";)" /></p></blockquote><p></p>
[QUOTE="h_abeysinghe, post: 10059891, member: 123721"] [COLOR=Blue][B][COLOR=Black]Written Answers and Marks :D[/COLOR] 11.[/B][B]List [B]TWO [/B]code conventions associated with [I]comments[/I]. Marks: 2.0[/B][/COLOR] [COLOR=Blue][B]ANS:[/B][/COLOR] [LIST=1] [*][COLOR=Red]A comment block should be included before each class and method(except main method).[/COLOR] [*][COLOR=Red]Comments should not reiterate what is clear from the code.[/COLOR] [*][COLOR=Red]An introductory comment should begin a program.[/COLOR] [/LIST] [COLOR=Blue][B]12.List [B]ONE [/B]code convention related to [I]indentation[/I]. Marks: 1.0 [/B][/COLOR] [COLOR=Blue][B]ANS[/B][/COLOR]: [LIST=1] [*][COLOR=Red]Statements in a method should be indented.[/COLOR] [*][COLOR=Red]An open curly brace(bracket, { ) should be placed on the same line as the class or method declaration, and the closing curly brace (}) should be on a separate line and aligned with the class or method declaration.[/COLOR] [/LIST] [COLOR=Blue][B]13.Identify [B]FOUR[/B] violations of Code Conventions in the above application. Marks: 4.0 [/B][/COLOR] [CODE] /** * PrintInternetRules.java * Name: WongPuter * Description: Displays student rules for accessing the Internet. /* public class PrintInternetRules public static void main(String[] args) { System.out.println("Internet Rules\n"); System.out.println("1. Use school issued login and password."); System.out.println("2. Do not download any files.") system.out.println("3. Do not reveal personal information."); } } [/CODE][B][COLOR=Blue]ANSWER[/COLOR] [/B] [LIST=1] [*][COLOR=Red]Date is missing in the comment block.[/COLOR] [*][COLOR=Red]Class name should be a noun.[/COLOR] [*][COLOR=Red]The opening brace bracket ({) of main method should line up with the closing brace bracket (}).[/COLOR] [*][COLOR=Red]System.out.println("Internet Rules\n"); should line up with the rest of System.out.println.[/COLOR] [/LIST] [COLOR=Blue][B]Correction:[/B][/COLOR] [CODE] /** * PrintInternetRules.java * Name: WongPuter *[COLOR=Red] Date: Feb 18, 2011[/COLOR] * Description: Displays student rules for accessing the Internet. */ public class [COLOR=Red]InternetRules[/COLOR] public static void main(String[] args) [COLOR=Red] {[/COLOR] [COLOR=Red]System.out.println("Internet Rules\n");[/COLOR] System.out.println("1. Use school issued login and password."); System.out.println("2. Do not download any files.") system.out.println("3. Do not reveal personal information."); } } [/CODE][COLOR=Blue][B] 14.Identify [B]FOUR[/B] errors in the above application. Marks: 4.0 [/B][/COLOR] [CODE] /** * PrintInternetRules.java * Description: Displays student rules for accessing the Internet. /* public class PrintInternetRules public static void main(String[] args) { System.out.println("Internet Rules\n"); System.out.println("1. Use school issued login and password."); System.out.println("2. Do not download any files.") system.out.println("3. Do not reveal personal information."); } }[/CODE][B] ANSWER[/B] [LIST=1] [*][COLOR=Red]The comment block should be closed with */ but not /*.[/COLOR] [*][COLOR=Red]A brace bracket is missing after the class declaration.[/COLOR] [*][COLOR=Red]A ; is missing at the end of System.out.println("2. Do not download any files.")[/COLOR] [*][COLOR=Red]"system" should be typed as "System"[/COLOR] [/LIST] [B]Correction:[/B] [CODE] /** * PrintInternetRules.java * Description: Displays student rules for accessing the Internet. [COLOR=Red] */[/COLOR] public class PrintInternetRules [COLOR=Red]{[/COLOR] public static void main(String[] args) { System.out.println("Internet Rules\n"); System.out.println("1. Use school issued login and password."); System.out.println("2. Do not download any files.")[COLOR=Red];[/COLOR] [COLOR=Red]S[/COLOR]ystem.out.println("3. Do not reveal personal information."); } } [/CODE]:D meka apita dunne Online Quiz ekak widiyata pc eken karana :D so ekama copy karala damma ;) [/QUOTE]
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