12 lines
350 B
Java
12 lines
350 B
Java
// lowlevel/SerialNumbers.java
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// (c)2017 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://OnJava8.com for more book information.
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public class SerialNumbers {
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private volatile int serialNumber = 0;
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public int nextSerialNumber() {
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return serialNumber++; // Not thread-safe
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}
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}
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