Java Game Developer

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“Java Game Developer related Frequently Asked Questions by expert members with job experience as Java Game Developer. These questions and answers will help you strengthen your technical skills, prepare for the new job interview and quickly revise your concepts”



50 Java Game Developer Questions And Answers

23⟩ Explain me what Is The Average Job Length In The Game Industry?

Since the industry is project based job length tends to be directly associated with product cycles.

The is often the result of the post ship layoff. Companies tend to dump staff once a project ships since they don't need a full production team for pre-production on the next project. Now the nicer companies tend to use temporary contract hires for short term production staffing needs. This lets the employee know that they likely don't have a paycheck when the project ends. However the big publishers regularly cut even full time staff once the xmas games are sent to manufacturing.

The other piece is that when finishing up a title employees are more likely to look around at other options. If you've just shipped your third football title and are burned out on the genre you tend to wait until the game is done and then find another job somewhere else.

While there are some devices that have spent an entire career at a single company, what is far more common is finishing 1-2 games at a developer and then moving off to another one.

I am a 2D Game Programmer.Some programming languages which I am good at are C,Java ,C#. I also know Actionscript 2.0,3.0 and some javascript. I'm interested in learning 3D Game programming. So far from the research I have accumulated by googling and reading different game development forums and articles. I've noticed that most programmers tend to prefer C++.Also in an online game programming teaching course I noticed they prefer to teach C++ and Visual C++ as the starting course. The reason I am asking this question since I would like to know the "strength" difference of C++, C# and Java for 3d game programming.

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24⟩ Explain me how Good Bitbucket/github Is For Game Development?

Bitbucket is a code hosting service and not a file sharing service. It is compatible for small size game development, but if you are handling extremely large files or frequently changing binary files Github would not be useful. Bitbucket can’t display differences on binaries

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25⟩ What is the concept of object cloning and how is this used in java?

There are times when one needs to use the exact copy of an object for a specific purpose, without changing the actual object in any way. The option, in this case, is to create another similar object, which will require a greater amount of memory to be expensed, and this is where the construct of object cloning provided by java comes to prove beneficial.

The clone() methods of the object class implement the concept of object cloning but require the implementation of the java.lang.A cloneable interface of the object class whose clone you are trying to create. Devoid of this, a CloneNotSupportedException is generated by the clone() method of the class.

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26⟩ Explain me the Advantages And Disadvantages Of Using Packed Buffers?

The advantage of using packed buffers is that it is more efficient for the GPU to render, since all of the information needed to render is located within the same block of memory. The drawback of packed buffer is that it would be difficult and slower to update if you are using dynamic data.

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27⟩ What is the use of ‘this’ keyword in java?

The ‘this’ keyword is widely observed in all java codes and scripts, and it, in fact, is a reference variable which is used by programmers to refer to the current object in use. The method of the current class can be suitable invoked using the ‘this’ keyword. The java compiler implicitly adds the keyword to the method, if you do not specify the same.

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28⟩ Please explain any Good Web Frameworks For Asynchronous Multiplayer Games?

Service Stack for services and serves up XML, JSON etc. Amazing in general for setting up the services. Also cross platform.

As far as 'DB communication', if you are able to use Windows Server for hosting, Entity Framework works well, however is code gen but very easy to use and code against. There might be alternatives like DbLinq (Linq To SQL for Mono), but haven't tried it so not sure on how easy it is to use.

Obviously, this is only really an option if you don't mind coding all this in C# and doesn't take care of all the database design you'll have to do, but that kinda goes with game logic.

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30⟩ Tell us what Is Fps?

FPS means frames per second, which tells about how much information is used to store and display motion video. Each frame is a still image, and the illusion of motion is created by displaying these frames in quick succession.

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32⟩ Tell me how To Be An Artist To Design Video Games?

There is plenty of prepackaged images and art that you can use either for free or by purchasing that you can use in your video games. But if you want to get really good then you have to put in the time to develop your artistic skills.

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33⟩ Professional Java Game Developer Job Interview Questions

☛ How do you know if a linked list has a cycle in it? As in, one of the nodes in the linked list points to a previous node in the list.

☛ Describe the characteristics of an ACID database system.

☛ Is Java a statically or dynamically typed language?

☛ What do we mean by polymorphism, inheritance and encapsulation?

☛ Do arguments in Java get passed by reference or by value?

☛ What is the difference between an abstract class and an interface and when would you use one over the other?

☛ Why use an object Factory and how would you implement the Singleton pattern?

☛ What is the difference between “==” and equals(…) method? What is the difference between shallow comparison and deep comparison of objects?

☛ How is Java EE related to Java SE?

☛ How are Runtime exceptions different from Checked exceptions?

☛ What is the difference between HashMap, ConcurrentHashMap and a Map returned by Collections.synchronizedMap?

☛ Servlets 3.0 introduced async support. Describe a use case for it.

☛ Why do you think lambda expressions are considered such a big thing in Java 8?

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34⟩ What are pointers are and elaborate if they can be used in java?

Pointers are a special class of variables which are available in a lot of programming constructs such as C++. These are used to reference a particular position in the memory and this is coming off as a very powerful way of explicit memory allocation, management, and traversing amounts memory units.

Pointers are however not supported or available within Java, as they can get quite complex with the segregation of the stack and the heap memory in java.

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40⟩ Do you know what Is Cloud Gaming?

In Cloud gaming, the game is hosted on a game server in a data center, and the user is only running a client locally which forwards game controller actions upstream to the game server.

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