CodeGym /ื‘ืœื•ื’ Java /Random-HE /ืฉื™ื˜ืช Thread.sleep() ื‘-Java
John Squirrels
ืจึธืžึธื”
San Francisco

ืฉื™ื˜ืช Thread.sleep() ื‘-Java

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ื‘ืชื•ื›ื ื™ื•ืช ื’'ืื•ื•ื”, ื™ืฉื ื ืžืฆื‘ื™ื ืฉื‘ื”ื ืฉืจืฉื•ืจ ืžื•ืคืขืœ ืžื”ืจ ืžื“ื™ ืื• ืฉื”ืชื•ื›ื ื™ืช ืฆืจื™ื›ื” ืœืขื‘ื•ืจ ืœืฉืจืฉื•ืจ ืื—ืจ. ื›ื“ื™ ืœืขืฉื•ืช ื–ืืช, ืขืœื™ืš ืœื”ืฉืขื•ืช ืืช ื‘ื™ืฆื•ืข ื”ืฉืจืฉื•ืจ ื”ื ื•ื›ื—ื™. ื‘-Java, ื ื™ืชืŸ ืœืขืฉื•ืช ื–ืืช ื‘ืืžืฆืขื•ืช ืฉื™ื˜ืช java.lang.Thread.sleep() .

ืฉื™ื˜ืช Thread.sleep().

ื”ืžื—ืœืงื” Thread ืงื™ื™ืžืช ื‘ื—ื‘ื™ืœืช Java.lang ื•ืžื›ื™ืœื” ืืช ืฉื™ื˜ืช Thread.sleep() . ืฉื™ื˜ืช ื”-Java.lang.thread sleep() ืžืฉืžืฉืช ืœื”ืฉืขื™ื™ืช ื”ืฉืจืฉื•ืจ ื”ื ื•ื›ื—ื™ ืœืžืฉืš ืคืจืง ื–ืžืŸ ืžื•ื’ื“ืจ ื‘ืืœืคื™ื•ืช ืฉื ื™ื•ืช. ืื ืชืกืชื›ืœ ืขืœ Oracle docs , ืชื’ืœื” ืฉื™ืฉ ืฉืชื™ ืฉื™ื˜ื•ืช sleep() ืขืžื•ืกื•ืช ืžื“ื™ ืฉืœ ื”ืžื—ืœืงื” Thread .
static void sleep(long millis)
ื›ืืฉืจ ืžื™ืœื™ืก ื”ื•ื ื”ื–ืžืŸ ื‘ืืœืคื™ื•ืช ืฉื ื™ื•ืช. ืฉื™ื˜ื” ื–ื• ื’ื•ืจืžืช ืœ-thread ื”ืžื‘ืฆืข ื›ืขืช ืœื™ืฉื•ืŸ (ื”ืคืกืงืช ื‘ื™ืฆื•ืข ื–ืžื ื™ืช, "ืฉื™ื ื”") ื‘ืžืฉืš ืžื™ืœื™ืœื™ื•ืช ืฉืœ ืืœืคื™ื•ืช ื”ืฉื ื™ื™ื”, ื‘ื”ืชืื ืœื“ื™ื•ืง ืฉืœ ื”ื˜ื™ื™ืžืจื™ื ื•ื”ืžืชื–ืžื ื™ื ืฉืœ ื”ืžืขืจื›ืช. ืขืจืš ื”ืืจื’ื•ืžื ื˜ ืขื‘ื•ืจ ืืœืคื™ื•ืช ืฉื ื™ื•ืช ืœื ื™ื›ื•ืœ ืœื”ื™ื•ืช ืฉืœื™ืœื™. ืื ื›ืŸ, ื”- IlegalArgumentException ื™ื™ื–ืจืง.
static void sleep(long millis, int nanos)
ื›ืืฉืจ ื˜ื•ื—ืŸ ืืช ื”ื–ืžืŸ ื‘ืžื™ืœื™-ืฉื ื™ื•ืช ื•ื ื ื• ื”ื•ื ื”ื–ืžืŸ ื‘ื ื ื•-ืฉื ื™ื•ืช. ื’ืจืกื” ื–ื• ืฉืœ ืฉื™ื˜ื” ืžืฉืžืฉืช ืœื”ืฉื”ื™ื™ืช ื‘ื™ืฆื•ืข ื”ืฉืจืฉื•ืจ ื”ื ื•ื›ื—ื™ ืœืžืฉืš ื”ื–ืžืŸ ื”ืžื“ื•ื™ืง ื‘ืืœืคื™ื•ืช ืฉื ื™ื•ืช ื•ื ื ื• ืฉื ื™ื•ืช. ื”ืขืจืš ืฉืœ ื ื ื•-ืฉื ื™ื™ื” ืชืงืฃ ื‘ื™ืŸ 0 ืœ-999999. ื‘ื•ืื• ื ื™ืฆื•ืจ ืชื•ื›ื ื™ืช ืคืฉื•ื˜ื” ื”ืžืฉืชืžืฉืช ื‘ืฉื™ื˜ืช Thread.sleep() ื›ื“ื™ ืœื”ืฉื”ื•ืช ืืช ื‘ื™ืฆื•ืข ื”ืฉืจืฉื•ืจ ื”ืจืืฉื™ ืœืžืฉืš 5 ืฉื ื™ื•ืช:
public class SleepDemo {

       public static void main(String[] args) throws InterruptedException {
           //the current time in milliseconds
           long start = System.currentTimeMillis();
           // stop the main thread of the program for 5000 milliseconds (5 seconds)
           Thread.sleep(5000);
           System.out.println("The thread is paused for " + (System.currentTimeMillis() - start) + " milliseconds");
       }
}
ืžื” ืงื•ืจื” ื‘ืชื•ื›ื ื™ืช ื”ื–ื•? ืชื—ื™ืœื” ื”ื•ื ืžืชื—ื™ืœ, ืื—ืจ ื›ืš ื”ื•ื ื™ืฉืŸ ื‘ืžืฉืš 5 ืืœืคื™ื•ืช ืฉื ื™ื•ืช (5 ืฉื ื™ื•ืช), ื•ืื– ืžื“ืคื™ืก ืœืงื•ื ืกื•ืœื” ื”ื•ื“ืขื” ืœื’ื‘ื™ ืžืฉืš ื”ื–ืžืŸ ืฉื”ื•ื ื”ื™ื” ืงืคื•ื, ื•ืื– ื™ื•ืฆื. ื”ืคืœื˜ ื”ื•ื:
ื”ืฉืจืฉื•ืจ ืžื•ืฉื”ื” ืœืžืฉืš 5008 ืืœืคื™ื•ืช ืฉื ื™ื•ืช
ื›ืคื™ ืฉืืชื” ื™ื›ื•ืœ ืœืจืื•ืช, ื”ืชื•ื›ื ื™ืช ืœื ืขืฆืจื” ืœืžืฉืš 5 ืฉื ื™ื•ืช, ืืœื ืงืฆืช ื™ื•ืชืจ. ื›ืžื• ื›ืŸ, ืื ืชืคืขื™ืœ ืืช ื”ืชื•ื›ื ื™ืช ื‘ืžื—ืฉื‘ ืฉืœืš, ืชื‘ื—ื™ืŸ ืฉื”ื™ื ืขืœื•ืœื” ืœืขืฆื•ืจ ืืช ื‘ื™ืฆื•ืข ื”ืฉืจืฉื•ืจ ืœืžืฉืš ื™ื•ืชืจ ืž-5000 ืืœืคื™ื•ืช ืฉื ื™ื•ืช ื•ืœื ื”ื›ืจื—ื™ ืœืžืฉืš 5008 ืืœืคื™ื•ืช ืฉื ื™ื•ืช. ื”ื ืงื•ื“ื” ื”ื™ื ืฉื”ื›ืœ ืชืœื•ื™ ื‘ืžืขืจื›ืช ื”ื”ืคืขืœื” ื•ื‘ื™ื™ืฉื•ื ื”ืกืคืฆื™ืคื™ ืฉืœ ืžืชื–ืžืŸ ื”ืฉืจืฉื•ืจ. ื‘ืคื™ืจื•ื˜ ืงื˜ืŸ ื™ื•ืชืจ, ื”ื–ืžืŸ ื‘ืคื•ืขืœ ืฉืจืฉื•ืจ ืžืžืชื™ืŸ ืœืคื ื™ ื”ืชืขื•ืจืจื•ืช ื•ืžืชื—ื™ืœ ื‘ื™ืฆื•ืข ืชืœื•ื™ ื‘ื˜ื™ื™ืžืจื™ื ื•ื‘ืžืชื–ืžื ื™ื ืฉืœ ื”ืžืขืจื›ืช. ืขื‘ื•ืจ ืžืขืจื›ืช ืฉืงื˜ื”, ื–ืžืŸ ื”ืฉื™ื ื” ื‘ืคื•ืขืœ ืงืจื•ื‘ ืœื–ืžืŸ ื”ืฉื™ื ื” ืฉืฆื•ื™ืŸ, ืืš ืขื‘ื•ืจ ืžืขืจื›ืช ืขืžื•ืกื” ื”ื•ื ื™ื”ื™ื” ืžืขื˜ ื™ื•ืชืจ ืืจื•ืš. ืฉื™ื˜ื” ื–ื• ืžืฉืžืฉืช ืœืขืชื™ื ืงืจื•ื‘ื•ืช ื‘ืฉืจืฉื•ืจื™ ื™ืœื“ื™ื ื›ืืฉืจ ืืชื” ืฆืจื™ืš ืœื‘ืฆืข ืคืขื•ืœื” ื›ืœืฉื”ื™ ื›ืœ ื”ื–ืžืŸ, ืืš ืœื ืœืขืชื™ื ืงืจื•ื‘ื•ืช ืžื“ื™. ื”ื ื” ื“ื•ื’ืžื” ืœืชื•ื›ื ื™ืช ืฉืชื“ืคื™ืก ื”ื•ื“ืขื” ื›ืœ ืฉื ื™ื™ื” ื•ืœืขื•ืœื ืœื ืชืฆื:
public class SleepDemo1 {

   public static void main(String[] args) throws InterruptedException {
       while (true)
       {
           Thread.sleep(1000);
           System.out.println("One more second");
       }
   }
}

ื ืงื•ื“ื•ืช ื—ืฉื•ื‘ื•ืช ื‘-Java Thread Sleep

ื—ืฉื•ื‘ ืœื–ื›ื•ืจ ืฉืฉื™ื˜ืช Java Thread Sleep ืคื•ืขืœืช ื‘ืฆื•ืจื” ื›ื–ื• ืฉ:
  • ื–ื” ืชืžื™ื“ ืžืฉืขื” ืืช ื‘ื™ืฆื•ืข ื”ืฉืจืฉื•ืจ ื”ื ื•ื›ื—ื™.

  • ื”ืฉืจืฉื•ืจ ื‘ืคื•ืขืœ ื™ืฉืŸ ืขื“ ืฉื”ื•ื ืžืชืขื•ืจืจ, ื•ื–ืžืŸ ื”ื‘ื™ืฆื•ืข ืชืœื•ื™ ื‘ื˜ื™ื™ืžืจื™ื ื•ื‘ืžืชื–ืžื ื™ื ืฉืœ ื”ืžืขืจื›ืช.

  • ื—ื•ื˜ ื”ืฉื™ื ื” ืื™ื ื• ื—ื•ืกื ืืช ื”ื—ื•ื˜ ื”ื ื•ื›ื—ื™.

  • ื›ืœ ืฉืจืฉื•ืจ ืื—ืจ ื™ื›ื•ืœ ืœืงื˜ื•ืข ืืช ื—ื•ื˜ ื”ืฉื™ื ื” ื”ื ื•ื›ื—ื™, ื•ื‘ืžืงืจื” ื–ื” ื ื–ืจืง Exception Interrupted .

  • ืขืจืš ื”ืืจื’ื•ืžื ื˜ ืขื‘ื•ืจ ืืœืคื™ื•ืช ืฉื ื™ื•ืช ืœื ื™ื›ื•ืœ ืœื”ื™ื•ืช ืฉืœื™ืœื™, ืื—ืจืช ื™ื™ื–ืจืง IllegalArgumentException .

ื›ื“ื™ ืœืชืช ื“ื•ื’ืžื” ืœื–ืจื™ืงืช IllegalArgumentException , ืคืฉื•ื˜ ืฉื ื” ืงืฆืช ืืช ื”ืชื•ื›ื ื™ืช ืœืขื™ืœ:
public class SleepDemo1 {

       public static void main(String[] args) throws InterruptedException {
           //the current time in milliseconds
           long start = System.currentTimeMillis();
           // stop the main thread of the program for 5000 milliseconds (5 seconds)
           Thread.sleep(-5000);
           System.out.println("The thread is paused for " + (System.currentTimeMillis() - start) + " ms");
       }
}
ื”ื ื” ื”ืคืœื˜:
ื—ืจื™ื’ื” ื‘ืฉืจืฉื•ืจ "ืจืืฉื™" java.lang.IllegalArgumentException: ืขืจืš ื”ื–ืžืŸ ื”ืงืฆื•ื‘ ื”ื•ื ืฉืœื™ืœื™ ื‘-java.base/java.lang.Thread.sleep(Native Method) ื‘-SleepDemo.main(SleepDemo.java:7)
ืœืžืขืœื” ื”ื ื—ื ื• ืืช ื”ื—ื•ื˜ ื”ืจืืฉื™ ืœื™ืฉื•ืŸ. ืขื›ืฉื™ื• ื‘ื•ืื• ื ื ืกื” ืœื™ื™ืฉื ืืช ื”ืฉื™ื˜ื” ืขืœ ืฉืจืฉื•ืจ ืื—ืจ.
// Java Program to sleep the custom thread
public class SleepDemo2 extends Thread{

       public void run()
       {
           // thread 0
           try {
               for (int i = 0; i < 10; i++) {

                   // sleeps the main thread for about 2 seconds
                   Thread.sleep(2000);
                   System.out.println(i);
               }
           }
           catch (Exception e) {

               // catching the exception
               System.out.println(e);
           }
       }
       public static void main(String[] args)
       {
           SleepDemo2 sleepDemo2 = new SleepDemo2();
           sleepDemo2.start();
       }
}
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