java - 工厂方法和实用类之间有什么区别？

Question

工厂方法和实用类有什么区别？什么时候用工厂方法，什么时候用工具类？

Answer 1

来自维基百科

In object-oriented programming, a factory is an object for creating other objects – formally a factory is simply an object that returns an object from some method call, which is assumed to be "new". Factory method Pattern

In computer programming, a utility class is a class that defines a set of methods that perform common, often re-used functions. Most utility classes define these common methods under static (see Static variable) scope. Utility Pattern

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