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Java Forum / General / December 20074 simple Swing questions
Gurus, can you please help me out with these simple questions..Thanks in advance (a) A class that never needs a listener (i.e., that generates no events). Answer: (b) A class that requires implementation of five listener methods. Answer: MouseListener (c) A class used only for output, never for input. Answer: (d) A class that generates events from more than one event class. Answer: (e) A class with two different listener interfaces. Answer: >Gurus, can you please help me out with these simple questions..Thanks >in advance Andy, can you please do your own homework and cease wasting our friggin' bandwidth. RTFM. TIA.  SignatureAndrew Thompson http://www.physci.org/ Andrew, you sir, inspired me. May you rock as usual. (a) A class that never needs a listener (i.e., that generates no events). Answer: ImageIcon (b) A class that requires implementation of five listener methods. Answer: MouserListener (c) A class used only for output, never for input. Answer: showMessageDialog (d) A class that generates events from more than one event class. Answer: JRadioButton - ActionEvent and ItemEvent (e) A class with two different listener interfaces. Answer: MouseEvent > Andrew, you sir, inspired me. May you rock as usual. He inspired you to do someone else's homework? SignatureLew On Sat, 15 Dec 2007 05:51:38 -0800 (PST), Ujjal Pathak <ujjalpathak@gmail.com> wrote, quoted or indirectly quoted someone who said : >(a) A class that never needs a listener (i.e., that generates no >events). >Answer: ImageIcon You stole that foolish newbie's chance at an education. It is a bit like interfering with the physical therapy of a someone recovering from a coma with emaciated legs. They NEED the exercise, even if they are not keen just now to do it. SignatureRoedy Green Canadian Mind Products The Java Glossary http://mindprod.com > (c) A class used only for output, never for input. > Answer: showMessageDialog showMessageDialog() is a method, not a class... :) >> (c) A class used only for output, never for input. >> Answer: showMessageDialog > > showMessageDialog() is a method, not a class... :) Oh, dear, does that mean homework seekers will still have to think, and do research to corroborate what the read? SignatureLew On Sat, 15 Dec 2007 02:59:18 -0800 (PST), Andy <andy.rockford@gmail.com> wrote, quoted or indirectly quoted someone who said : >Gurus, can you please help me out with these simple questions..Thanks >in advance [quoted text clipped - 14 lines] >(e) A class with two different listener interfaces. >Answer: These are the sort of question some addled professor would concoct. The answers have no practical value. Their intent, I presume, it to get you to wander through the Javadoc getting generally familiar with it, a sort of treasure hunt to as an excuse to tour the village. Others answering those questions would defeat their rather weak purpose. see http://mindprod.com/jgloss/homework.html SignatureRoedy Green Canadian Mind Products The Java Glossary http://mindprod.com Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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