35 lines
950 B
Java
35 lines
950 B
Java
// lowlevel/AtomicIntegerTest.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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import java.util.concurrent.*;
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import java.util.concurrent.atomic.*;
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import java.util.*;
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import onjava.*;
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public class AtomicIntegerTest implements Runnable {
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private AtomicInteger i = new AtomicInteger(0);
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public int getValue() { return i.get(); }
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private void evenIncrement() { i.addAndGet(2); }
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@Override
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public void run() {
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while(true)
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evenIncrement();
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}
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public static void main(String[] args) {
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new TimedAbort(4, "No failures discovered");
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AtomicIntegerTest ait = new AtomicIntegerTest();
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CompletableFuture.runAsync(ait);
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while(true) {
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int val = ait.getValue();
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if(val % 2 != 0) {
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System.out.println(val);
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System.exit(0);
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}
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}
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}
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}
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/* Output:
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No failures discovered
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*/
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