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Java Forum / First Aid / June 2004Sleep in Java
How can I tell my program to sleep for a number of milliseconds and then go for the next instruction? Thanks, Poochie >How can I tell my program to sleep for a number of milliseconds and then go >for the next instruction? See http://mindprod.com/jgloss/gettingstarted.html You need some basic docs to get you started. See http://mindprod.com/jgloss/sleep.html  SignatureCanadian Mind Products, Roedy Green. Coaching, problem solving, economical contract programming. See http://mindprod.com/jgloss/jgloss.html for The Java Glossary. Is it a joke ??? It would be nice if to tell a thread to sleep for a number of millis, you had to call a method sleep on the thread Class, passing as an argument the number of millis! > How can I tell my program to sleep for a number of milliseconds and then go > for the next instruction? > > Thanks, Poochie > How can I tell my program to sleep for a number of milliseconds and then go > for the next instruction? > > Thanks, Poochie Use threads... SignatureSong /* E-mail.c */ #define User "Yu.Song" #define Warwick "warwick.ac.uk" int main() { printf("Yu Song's E-mail: %s@%s", User, Warwick); return 0;} Further Info. : http://www.dcs.warwick.ac.uk/~esubbn/ _______________________________________________________ Anno domini Fri, 25 Jun 2004 00:40:35 GMT, Poochie, nobilissimus apud internautas, scripsit: [CUT] That might be what I needed, but I get this: "JFrameMain.java": unreported exception java.lang.InterruptedException; must be caught or declared to be thrown at line 279, column 17 What I must do is simply wait a second to let the user see the situation I drew on a JPanel and then redraw for n times... maybe should I first get the current thread? Please help, Poochie© >That might be what I needed, but I get this: > [quoted text clipped - 4 lines] >drew on a JPanel and then redraw for n times... maybe should I first get >the current thread? What you should do is read the links provided you that answer the usual questions. Again, see http://mindprod.com/jgloss/sleep.html SignatureCanadian Mind Products, Roedy Green. Coaching, problem solving, economical contract programming. See http://mindprod.com/jgloss/jgloss.html for The Java Glossary. Anno domini Fri, 25 Jun 2004 22:06:44 GMT, Roedy Green, nobilissimus apud internautas, scripsit: > http://mindprod.com/jgloss/sleep.html Actually that's what I did, but I'm getting an error and I cannot see the reason... Writing Thread.sleep(1000); will result in the error I reported and be underlined in red in JBuilder, so something's wrong, and that's what I'm puzzled about! Poochie© Anno domini Fri, 25 Jun 2004 22:25:47 GMT, Poochie, nobilissimus apud internautas, scripsit: [CUT] Now I got it working, the problem was that I simply had no idea that a method could refuse to work because I set no CATCH, at most I thought it could give an exception... > Now I got it working, the problem was that I simply had no idea that a > method could refuse to work because I set no CATCH, at most I thought it > could give an exception... Well, sort of. It can just give an exception, but Java requires that you acknowledge the possibility of an exception arising from any dangerous action. InterruptedException is one of the places where it makes the least possible sense, though, since it represents a programming bug for a thread to be interrupted when it wasn't expected. Nevertheless, InterruptedException was classified as a checked exception, so you have to abide by the rules. You don't have to catch the exception, though. Your other alternative is to declare it in a throws clause in the method declaration, to indicate you don't intend to handle the exception here and it should be passed on. Signaturewww.designacourse.com The Easiest Way to Train Anyone... Anywhere. Chris Smith - Lead Software Developer/Technical Trainer MindIQ Corporation >> http://mindprod.com/jgloss/sleep.html > >Actually that's what I did, but I'm getting an error and I cannot see the >reason... Read the entry again. It has mutated, like the Borg, adapting to your new assaults on Java. SignatureCanadian Mind Products, Roedy Green. Coaching, problem solving, economical contract programming. See http://mindprod.com/jgloss/jgloss.html for The Java Glossary. 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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