12 lines
399 B
Java
12 lines
399 B
Java
// concurrency/SerialNumberSupplier.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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public class SerialNumberSupplier {
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private static volatile int serialNumber = 0;
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public static int nextSerialNumber() {
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return serialNumber++; // Not thread-safe
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}
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}
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