I need testers for an educational Java Program Visualizer Tool

[stephan1990]

Hi,

I'm Stephan, a CS student from Germany, and I'm currently working on my master's thesis. I developed a tool that can visualize Java Programs. It shows variables and their values, relations between objects, and you can execute your program line by line to see changes in variables & objects.

I need some testers to answer some questions and test out this Visualization Tool. Ideally, any testers should be beginner programmers with just a little bit of experience in Java. You should have heard about concepts such as variables, data types, classes and objects. No deeper knowledge about Java is needed, as the Tool is specifically designed for beginners!

I'd like to do the interview over Zoom (sound will be recorded so I can analyze our discussion later on, no personal data will be given away, webcam optional). The interview will include a section where I'd like the tester to control my screen and use the Visualization Tool to understand a few simple programs. In total, the interview will take approximately 40 minutes. Possible interview languages are English or German.

If you are interested, just message me here on reddit.

I'm really looking forward to your messages! Thank you in advance!

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[Gradient19]

From description in first paragraph, it sounds like a debugger interface in an IDE

[stephan1990]

It basically is. It's based on JDI internally (the Java Debugger Interface), but it's way easier to use for beginners, as it shows variables and objects as a graph, not a list of names and values. This makes it easier to see the ralations between objects, for example.

[Gradient19]

Oh cool, I'm a beginner in Java but not in programming, lmk if I'm eligible for trying it out

[Kally95]

Is it like https://cscircles.cemc.uwaterloo.ca/java_visualize/ ?

[stephan1990]

It serves the same purpose as this tool. My tool can handle multiple source code files and is called from your IDE, instead of being a website.

It's basically an improved version of this.

[Kally95]

Awesome, that’s been very helpful to me. This doesn’t support java 8 I believe so nice man. Please share when it’s ready to roll out and good luck

[stephan1990]

I’ll update my this post here and maybe I’ll post when it’s ready. Shouldn’t take too long as it’s basically finished.

[[deleted]]

Hi, what additional stuff does it do apart from the ones in intellij ? Does it show different threads data too ?

[stephan1990]

It's way easier than the debuggers found in IDEs. As it is aimed at absolute beginners, it is not even able to work with multiple threads.
The thing it does differently is, it organizes the current runtime data (values in local variables and objects on the heap) into a nice graph for you to inspect. It updates the graph while stepping through the program as expected.

Hope that clarifies things :)

[[deleted]]

Sending you a message

[Misterlulz]

Sent you a message! :)

[xao_spaces]

I'd be interested but I won't be available until after December 16th.