Factory method « Static « Java Class Q&A

1. Java: Immutable to Immutable Conversions    stackoverflow.com

I've been thinking of ways of providing syntactic sugar for a framework I have been working on. I want to deal with Immitable objects exclusively.

Say I have an immutable object and ...

2. What are static factory methods in Java?    stackoverflow.com

My boss always says to use static factory methods, but I'm a beginner and can't understand it. Please help me. What's a "static factory method"?

3. Java - static factory method and switch statements    stackoverflow.com

I am dealing with a set of message objects, each of which has a unique identifier corresponding to them. Each message can be constructed either from a Map, or from ...

4. Abstract static factory method [getInstance()] in Java?    stackoverflow.com

Of course, the following doesn't work in Java (no abstract static methods)...

public abstract class Animal {
    public abstract static Animal getInstance(byte[] b);
}

public class Dog extends Animal {
  ...

5. public static factory method    stackoverflow.com

First of all please forgive me if its a really dumb question, I am just trying to learn this language to its core. I am reading Effective Java and the very ...

6. Realistic use case for static factory method?    stackoverflow.com

I'm familiar with the idea and benefits of a static factory method, as described in Joshua Bloch's Effective Java:

• Factory methods have names, so you can have more than one ...

7. static factory method question!    stackoverflow.com

in this site it says that a new object isnt being created each time , which leads to efficiency, but by what i can see an object is being created each ...

8. Effective Java By Joshua Bloch: Item1 - Static Factory Method    stackoverflow.com

I am reading the Effective Java by Joshua Bloch and I have question about Item1 Static Factory Method. Quote[Bloch, p.7]

Interfaces cant have static methods, so by convention, static ...

9. instance factory methods Vs Static factory methods    stackoverflow.com

Can't all factory methods be static ? Does something that produces a product need state ? When is it appropriate to go for a instance factory or static factory method ...

10. static factory method    coderanch.com

Huh? I don't recall that on the Sun Certified Java Developer assignment. I think you want to post that in a different forum. But here is an answer, the code is correct BoolTest.bool(true) calls the bool method passing it a boolean. If then compares it against constants in the Boolean class. The println() call will take the TRUE or FALSE and ...

11. What are static factory methods    coderanch.com

Quoting from "Effective Java Programming Language" from Joshua Bloch "Item 1: Consider providing static factory methods instead of constructors The normal way for a class to allow a client to obtain an instance is to provide a public constructor. There is another, less widely known technique that should also be a part of every programmer's toolkit. A class can provide a ...

12. Static Factory Methods in java    coderanch.com

13. Static Factory Methods    coderanch.com

Hello, Can anyone help me on how to create Static factory Methods? I know that Calendar and DateFormat class from Java API use Static Factory implementation. But I am not really sure how implementation should go as I have read that Static Factory implementation avoids creation of objects multiple times. How to really achieve that. So can you please explain with ...

14. Using factory to get an instance for calling a static method    coderanch.com

Hi, I want to use design pattern factory that will return a converter class. This converter class will call a static method to convert a file from one format to another. the factory is like that : public class ConversionFileFactory { public static ConversionFile getInstance(FileFormat ff) { ConversionFile conversionFile = null; if (ff == FileFormat.PDF ) { conversionFile = new ConversionPdf() ...