Booleans

I already knew about booleans and didn't learn much. I did, however, get a lot of enjoyment out of a separate project during class involving pseudo-gravity in two dimensions. This weekend I rewrote the program and made a console for it. That is, I wrote a small text editor and had it separate the first word and any numbers after it. Using this, I made a series of commands to change things such as the number of bodies in this pseudo-gravity, their range of size, their pull, etc. It's very fun to mess around with though it's very finicky and I'm having a weird problem with the text flickering. In order to change a string to an integer/double I used toCharArray and converted the characters from there. It's very easy to add a command and overall I'm happy with out flexible this project ended up being.

This, I know

For loops and while loops are both entirely review except for the for the length loop. Not much else to say, really. I realized that you can't do string.replaceAll for a blank space, you have to use for and substring...

A friend of mine might teach me some C, which would be fun 'cause I can't see doing realtime 3d in something as slow as java, which is a project I've been working on. Not sure if I've already said this, but I'd like a class that teaches how to code rather than how to use a language. I.e. teaching about various concepts in programming and how to do things like 3d and perlin noise rather than teaching syntax. I might end up learning this in later math class instead, though.

I feel good about things.

I've started to take notes, writing down things that I did not already know. I like the idea, though it is too soon to see if they work. Something I did find the other day was that I ignored the stuff I already knew and accidently skipped over some stuff I didn't know, case in point compareTo(). I looked at an outdated API, so I made mistakes with the compareTo() string method, though I really should have just plugged it into java. Generally I'm liking the material that I didn't already know. Switch cases are useful, though not immediately so. Things like the option of brackets in an if statement are useful to know, though I will probably not utilize it myself, such is a lot of the things we are learning.

Why are my titles so irrelevant?

During the test last week's test I found that the vast majority of things I missed were not concepts, but little things that I was not originally taught last summer. I find myself skipping over the concepts I already know and lumping those i do not know together with them. Thus, I think I am going to start taking notes that are more relevant to my knowledge rather than one whom has just been introduced to java. Otherwise I'm just getting used to the conventional format for things, though I do not feel I am having problems with this.

On a completely different subject, I'm wondering about the validity of this:

http://xkcd.com/519/

and how serious he was being about this.

Either way, this class seems to be a good thing to get into.