5687976a91
New Singleton class name has renamed to ThreadSafeLazyLoadedIvoryTower and called it from App.java
27 lines
844 B
Java
27 lines
844 B
Java
package com.iluwatar;
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/**
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*
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* Singleton pattern ensures that the class (IvoryTower) can have only one
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* existing instance and provides global access to that instance.
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*
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*/
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public class App {
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public static void main(String[] args) {
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IvoryTower ivoryTower1 = IvoryTower.getInstance();
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IvoryTower ivoryTower2 = IvoryTower.getInstance();
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System.out.println("ivoryTower1=" + ivoryTower1);
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System.out.println("ivoryTower2=" + ivoryTower2);
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ThreadSafeLazyLoadedIvoryTower threadSafeIvoryTower1 = ThreadSafeLazyLoadedIvoryTower
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.getInstance();
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ThreadSafeLazyLoadedIvoryTower threadSafeIvoryTower2 = ThreadSafeLazyLoadedIvoryTower
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.getInstance();
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System.out.println("threadSafeIvoryTower1=" + threadSafeIvoryTower1);
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System.out.println("threadSafeIvoryTower2=" + threadSafeIvoryTower2);
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}
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}
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