Java is a high-level, platform-independent, object-oriented programming language originally developed by Sun Microsystems. Java is currently owned by Oracle, which purchased Sun in 2010.
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Is there a canonical book for learning Java as an experienced developer? [closed]
I have been a .NET developer now for about the past 5/6 years give or take. I have never done any professional Java development and the last time I really touched it was probably back in college. I ...
375
votes
17answers
23k views
Where did the notion of “one return only” come from?
I often talk to Java programmers who say "Don't put multiple return statements in the same method." When I ask them to tell me the reasons why, all I get is "The coding standard says so." or "It's ...
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9answers
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What is the best Java programming book out there for starters? [closed]
Hey guys ,
Im trying to look for a good Java programming book , if any of you know a good one please let me know and if you know the price that would be even better :)
thanks .
200
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39answers
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Why isn't Java used for modern web application development? [closed]
As a professional Java programmer, I've been trying to understand - why the hate toward Java for modern web applications?
I've noticed a trend that out of modern day web startups, a relatively small ...
127
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10answers
10k views
Mono is frequently used to say “Yes, .NET is cross-platform”. How valid is that claim?
In What would you choose for your project between .NET and Java at this point in time? I say that I would consider the "Will you always deploy to Windows?" the single most important (EDIT: technical) ...
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15answers
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When is Java a good choice for web development?
When is Java a good choice for web development?
Please do not say "When you have a development team that knows only Java."
53
votes
20answers
15k views
Why do people still say Java is slow? [closed]
For a long time in SO and in other places Java has the reputation of being slow. From jokes to many comments in questions and answers, people still believe Java is slow based solely on experience with ...
3
votes
2answers
604 views
Which Java framework meets these requirements?
Which Java framework meets these requirements?
What set of frameworks would be best suited to meet these requirements?
The requirements are:
oriented for web
support for transactions
support for ...
55
votes
7answers
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How is IntelliJ better than Eclipse?
I know there have been questions like What is your favorite editor/IDE?, but none of them have answered this question: Why spend the money on IntelliJ when Eclipse is free?
I'm personally a big ...
42
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6answers
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As a C# developer, would you learn Java to develop for Android or use MonoDroid instead?
I'd consider myself pretty well versed in C#. It's my language of choice at the moment, and it's where basically all my professional experience lies.
Still, I'm puzzled by the existence of the ...
30
votes
6answers
4k views
What is the point of having every service class have an interface? [duplicate]
At the company I work at, every service class has a corresponding interface. Is this necessarily? Most of these interfaces are only used by a single class and we are not creating any sort of public ...
16
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11answers
2k views
Is it a really required skill to program without API documentation?
I barely passed my Java programming exam today. I had to answer some general questions about threading which I did well and to write a little threaded program which was worse. I had to connect my ...
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2answers
791 views
What other reasons are there to write interfaces rather than abstract classes? [duplicate]
Possible Duplicate:
When to use abstract classes instead of interfaces and extension methods in C#?
When I read and looked at codes using Abstract classes, I was able to justify it because ...
188
votes
43answers
11k views
My Dad is impatient with the pace of my learning to program. What do I do? [closed]
So my Dad bought me 5 books on programming (C++, Java, PHP, Javascript, Android) about a month ago. He's an architect and he knows NOTHING about programming. He bought me them because I told him ...
32
votes
11answers
2k views
What are the factors that have made Java a success as a programming language in enterprise computing?
What are the factors that have made Java a success as a programming language in enterprise computing?
27
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9answers
2k views
Is Java “dead in the water” as a consequence of Oracle buying Sun and subsequently suing Google
Google has led many useful Java features (guava, gson); now that Oracle has purchased Sun will it effect its future enhancements and utilization as a development language.
What exactly, or even ...
19
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8answers
9k views
Can we use Java for commercial use?
The Java is GPL license (reference from wikipedia). I am not sure I can use it in in commercial projects. I already have a website written in Java and I plan to use this for commercial use. Is that ...
25
votes
13answers
2k views
Best way to relearn C++?
I've done Java for ten years, and stopped doing any C++ sometime in the mid-90's.
What's the best way to quickly relearn C++?
Near as I can figure, the language has changed significantly in 15 ...
3
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4answers
1k views
how to learn Java [closed]
This question I am asking because I couldn't find any source which gives complete overview of java development. I just want to know where java technology currently in market & what is preferable ...
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6answers
2k views
Efficient try / catch block usage?
Should catch blocks be used for writing logic i.e. handle flow control etc? Or just for throwing exceptions? Does it effect efficiency or maintainability of code?
What are the side effects (if there ...
7
votes
3answers
3k views
What is the difference between all-static-methods and applying a singleton pattern?
I am making a database to store information about the users of my website (I am using stuts2 and hence Java EE technology). For the database I'll be making a DBManager. Should I apply singleton ...
63
votes
11answers
11k views
Why do we need private variables?
Why do we need private variables in classes?
Every book on programming I've read says this is a private variable, this is how you define it but stops there.
The wording of these explanations always ...
35
votes
1answer
2k views
What are these different Java versions for?
I am just about to start my Java journey, ( I've already dabbled in C++) but I am getting really confused about all the different versions of Java:
JavaSE
JavaEE
JavaFX
etc.
Can someone explain ...
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votes
12answers
4k views
Did the developers of Java consciously abandon RAII?
As a long-time C# programmer, I have recently come to learn more about the advantages of Resource Acquisition Is Initialization (RAII). In particular, I have discovered that the C# idiom:
using (var ...
18
votes
13answers
4k views
Switch from C# to Java, which “gotchas” I should care?
I may have to switch to Java for new project. I have very little knowledge about Java, because I've mainly studied and used C#, and I'm afraid of the differences between these two language/platform ...
13
votes
9answers
1k views
How do you learn to program? [duplicate]
Possible Duplicates:
I still can't figure out how to program?
I'm graduating with a Computer Science degree but I don't feel like I know how to program
I don't known if you guys ...
12
votes
6answers
2k views
Best practices in comment writing and documentation
Commenting nowadays is easier than ever. In Java, there are some nice techniques for linking comments to classes, and Java IDEs are good at making comment shells for you. Languages like Clojure even ...
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votes
6answers
4k views
What would you choose for your project between .NET and Java at this point in time? [closed]
You are just starting a new project and you have these two technologies to choose from, Java and .NET. The project you are working doesn't involve having features that would make it easy to choose ...
10
votes
4answers
6k views
What's your advice for getting Oracle Certified Professional Java Programmer certificate?
I intend to get the certification but am not completely sure how to effectively prepare myself. So I'm wondering if you have any advice on the matter; in particular I would like to know:
- What should ...
7
votes
8answers
3k views
How do I choose an Android phone for testing my application? [duplicate]
I'm starting to develop for Android. Do I need to buy a certain Android phone to test my application, or does any android phone work?
6
votes
3answers
780 views
Generic file parser design in Java using the Strategy pattern
I am working on a product in which the responsibility of one of the modules is to parse XML files and dump the required content in a database. Even though the present requirement is only to parse XML ...
50
votes
11answers
5k views
A modern review of Java
I've been programming for a few years and I began in Java, and in my time I've found many different sources claiming Java to be an inferior language in some way or another. I'm well aware that each ...
27
votes
7answers
4k views
Is Functional Programming possible in Java?
I was browsing through the Amazon.com Bookstore and I came across the book "Functional Programming for Java Developers".
I know some very basic Functional Programming and have been programming in ...
65
votes
16answers
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Do the young minds need to learn the pointer concepts?
Why did the C master Dennis Ritchie introduce pointers in C? And why did the other programming languages like VB.NET or Java or C# eliminate them? I have found some points in Google, and I want to ...
25
votes
2answers
9k views
When not to use Google Web Toolkit?
I'm considering use of GWT on a major in-house web app development project, namely it's major advantage in my eyes is the cross-compilation to Javascript which would (at least theoretically) help my ...
30
votes
3answers
8k views
How is a Java reference different from a C pointer?
C has pointers and Java have what is called references. They have some things in common in the sense that they all point to something. I know that pointers in C store the addresses they point to. Do ...
27
votes
5answers
2k views
Java dev learning Python: what concepts do I need to wrap my head around?
I've run through a few tutorials and written some small projects. I'm right in the middle of a small project now infact. All is going well enough thanks in no small part to Uncle Google (who usually ...
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votes
12answers
1k views
How to teach Exception Handling for New Programmers?
How do you go about teaching Exception Handling to Programmers. All other things are taught easily - Data Structures, ASP.NET, WinForms, WPF, WCF - you name it, everything can be taught easily.
With ...
41
votes
10answers
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I've been told that Exceptions should only be used in exceptional cases. How do I know if my case is exceptional?
My specific case here is that the user can pass in a string into the application, the application parses it and assigns it to structured objects. Sometimes the user may type in something invalid. ...
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votes
8answers
13k views
How do you unit test private methods?
I am working on a java project. I am new to unit testing. What is the best way to unit test private methods in java classes?
16
votes
7answers
5k views
Why not Spring framework?
Are there any disadvantages in tying my application to Spring framework?
I'm not talking about bugs or issues like that, if any. I'm talking about strategic, architectural things that will influence ...
25
votes
14answers
4k views
Why do we study Java at university?
Java is often found in academia. What is the reason behind that?
16
votes
14answers
4k views
Java devs: why not use Groovy? [closed]
OK, so there are quite a few people using Java these days. But as the language nears two decades of age, it isn't exactly the coolest option out there. Many of us are excited about dynamic languages ...
12
votes
10answers
3k views
Should we choose Java over C# for a new project?
We have a team of .NET developers (C#) with a range of experience from 2 to 6 years. Over the last few years we have been developing Silverlight, ASP.NET MVC, and WPF applications. However, there is a ...
10
votes
2answers
541 views
How can I use my coding skills for good?
By this autumn my two small websites should be generating around a total of $1200 a month with minimal/zero input which is enough to for me to live on comfortably enough.
Rather than embark on ...
45
votes
4answers
2k views
Why were Java collections implemented with “optional methods” in the interface?
During my first implementation extending the Java collection framework, I was quite surprised to see that the collection interface contains methods declared as optional. The implementer is expected ...
15
votes
2answers
701 views
What is Oracle's commitment to Java?
We are investing heavily in Java, but after recent experiences and reading Joonas' response on that question:
Had you used those flags in Java 6, you could have experienced not
only crashes, ...
14
votes
8answers
1k views
How do you encourage your organization to move from Java to Scala? [closed]
Has anybody's organization started the migration from Java to Scala? If yes, how do you do that? What can I do to encourage my colleagues to do the same?
10
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4answers
923 views
Is your company thinking of transitioning from java to another technology? [closed]
As every Java developer knows, Oracle bought Sun and the future of java looks quite unclear, specially since Oracle wants to monetize the JVM. Java as a language has also been stale in the last few ...
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votes
5answers
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How to make a great functional specification
I am going to start a little side project very soon, but this time i want to do not just the little UML domain model and case diagrams i often do before programming, i thought about making a full ...
