25 lines
924 B
Java
25 lines
924 B
Java
// concurrency/FixedThreadPool.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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import java.util.concurrent.*;
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public class FixedThreadPool {
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public static void main(String[] args) {
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// Constructor argument is number of threads:
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ExecutorService exec = Executors.newFixedThreadPool(5);
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for(int i = 0; i < 5; i++)
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exec.execute(new LiftOff());
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exec.shutdown();
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}
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}
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/* Output:
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#3(9), #2(9), #3(8), #2(8), #1(9), #4(9), #0(9), #2(7),
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#3(7), #1(8), #0(8), #4(8), #3(6), #2(6), #0(7), #1(7),
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#0(6), #2(5), #4(7), #3(5), #0(5), #1(6), #0(4), #4(6),
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#3(4), #2(4), #1(5), #4(5), #0(3), #2(3), #3(3), #2(2),
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#0(2), #4(4), #1(4), #0(1), #2(1), #3(2), #0(Liftoff!),
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#1(3), #4(3), #1(2), #3(1), #2(Liftoff!), #3(Liftoff!),
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#1(1), #4(2), #1(Liftoff!), #4(1), #4(Liftoff!),
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*/
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