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Synchronise the list as multiple threads are calling it

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Richard Jones 2015-10-13 21:23:32 -03:00
parent 5d970438bf
commit 7ab799c452
1 changed files with 2 additions and 1 deletions
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singleton/src/test/java/com/iluwatar/singleton/LazyLoadedSingletonThreadSafetyTest.java
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@ -3,6 +3,7 @@ package com.iluwatar.singleton;
import org.junit.Test; import org.junit.Test;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections;
import java.util.List; import java.util.List;
import java.util.concurrent.*; import java.util.concurrent.*;
@ -18,7 +19,7 @@ import static org.junit.Assert.assertEquals;
public class LazyLoadedSingletonThreadSafetyTest { public class LazyLoadedSingletonThreadSafetyTest {
private static final int NUM_THREADS = 5; private static final int NUM_THREADS = 5;
private List<ThreadSafeLazyLoadedIvoryTower> threadObjects = new ArrayList<>(); private List<ThreadSafeLazyLoadedIvoryTower> threadObjects = Collections.synchronizedList(new ArrayList<>());
//NullObject class so Callable has to return something //NullObject class so Callable has to return something
private class NullObject{private NullObject(){}} private class NullObject{private NullObject(){}}