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https://github.com/tiennm99/java-design-patterns.git
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@@ -44,13 +44,9 @@ public final class ThreadSafeLazyLoadedIvoryTower {
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* The instance doesn't get created until the method is called for the first time.
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* The instance doesn't get created until the method is called for the first time.
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*/
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*/
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public static synchronized ThreadSafeLazyLoadedIvoryTower getInstance() {
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public static synchronized ThreadSafeLazyLoadedIvoryTower getInstance() {
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if (instance == null) {
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if (instance == null) {
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synchronized (ThreadSafeLazyLoadedIvoryTower.class) {
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if (instance == null) {
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instance = new ThreadSafeLazyLoadedIvoryTower();
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instance = new ThreadSafeLazyLoadedIvoryTower();
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}
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}
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}
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}
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return instance;
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return instance;
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}
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}
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}
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}
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