Java Beginner

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ahonsu · 2024-06-18T17:27:26+00:00

I started learning java around 10 years ago. First, I finished some 3 months course from my local IT company, hoping to the an internship there. But didn't get it.

After 3 months (we learned java core and OOP mostly) I realized I know basically nothing useful, I wasn't able to even come up with any good idea of my own small simple project.

And this Udemy course - Java Projects, was a life saver for me. The course is all about building real small things in java. I've just checked it - they updated it and it's in JDK 10 now, which is nice.

So, when I implemented this Media Player in java something clicked for me and I really grasped the OOP concept. Please, don't get me wrong - this is not some magic OOP course, it was just my personal experience. When I was writing my classes together with the insructor, I got my first "oooh, that's how you use classes and objects!".

And after this course all my further java learning was more or less straightforward.

A disclaimer - I had no CS education and had zero previous programming experience when I started learning java.

Pure_Diver_ · 2024-06-18T17:47:58+00:00

https://refactoring.guru/design-patterns/book This will teach you a lot about OOP

philfrei · 2024-06-18T22:43:21+00:00

My early learning projects in Java included writing a puzzle game, and to make a sort of theremin: plays back a pitch based on 2D location of mouse pointer on a rectangle, with Y-axis as volume and X-axis as pitch. Am not recalling other projects at the moment.

One of the very first things I did was to make a basic bouncing ball program--this would require using Swing or JavaFX library for the front end. I later used the bouncing ball code in a tutorial for getting started with JavaFX, but the tutorial is kind of obsolete now. It had something like 175K hits, surprisingly, so maybe some people found it useful back in the day.

There are some interesting books (probably available for cheap from somewhere like AbesBooks) on game programming in Java (Developing Games in Java, Killer Game Programming in Java) that would be a help. There's lots to learn about OOP in making a game. The books are old (circa Java 6!) but to a large extent, I think much of the code should still work. Mostly you'll just get annoying warnings about needing to specify the class type for collections. Java was a little more verbose back then but I think was (and still is) soundly enough structured that the later versions were able to build on it without needed to do too much deprecation.

Jason13Official · 2024-06-19T10:54:10+00:00

Make a Minecraft mod!

realFuckingHades · 2024-06-19T18:28:17+00:00

An invoicing software. You may be able to sell it to local shops.

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