單例模式希望執行一個且唯一一個Singleton物件且Singleton物件可以全局使用。 ... 註：可以利用Online Java Compiler IDE ... ... <看更多>

You are using the term singleton incorrectly. A singleton implies the existence of only one object of its own class. A Class object is an ... ... <看更多>

Hidden Singleton (Java). GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

... <看更多>

ConcurrentMap. As was pointed out in the comments: in the Multiton.get() method: public <V> V get(final K key, Class<V> type) { // Has it run yet? ... <看更多>