单例模式工厂模式代码示例
public class Singleton {
private static Singleton instance;
private Singleton() {}
public static Singleton getInstance() {
if (instance == null) {
instance = new Singleton();
}
return instance;
}
}
public class SingletonFactory {
private SingletonFactory() {}
public static Singleton createInstance() {
return Singleton.getInstance();
}
}
文件大小：1.66MB
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