peace_fixation's Profile User Rating: -----

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01-November 11
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User is offline Sep 01 2014 03:37 AM

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Posts I've Made

  1. In Topic: Populate ArrayList of different data types from text file with java

    Posted 26 Aug 2014

    OK, use a HashMap, you'll be fine. :)
  2. In Topic: Populate ArrayList of different data types from text file with java

    Posted 26 Aug 2014

    It just depends on your data. What are you doing with it? Are the lines unique, or do they repeat?
  3. In Topic: Java Help Generating Random Numbers without repeating

    Posted 26 Aug 2014

    Good point :)
  4. In Topic: Trying to make at least galaxy if not universe

    Posted 26 Aug 2014

    How far down the rabbit hole do you want to go? At some point, you'll have to learn quantum mechanics and relativity, among other things. Otherwise, you'll just have to make assumptions and fudge a few equations to get the output you want. You could make mass and radius whatever you want, or you could base one or both of them from the mass and volume and binding habits of the atoms and molecules in your universe, under the influence of gravity. Luminosity comes from nuclear fusion mostly, which you could replicate or approximate as you wish! :P

    I don't know much about physics, but it's fun playing. As a start, I think it would be best to get one physical phenomenon working before you try and make the whole universe. Gravity seems like the obvious choice. Atomic forces are more complicated. Nuclear fusion sounds like a doozy.
  5. In Topic: transfer lowercase, not convert

    Posted 26 Aug 2014

    You are writing the whole line out at once. You are checking a char 'c' and then writing String 'a' to the file. You should write char 'c' to the file.

    Give your variables more meaningful names and it is easier to see at a glance what is going on. If 'a' was called 'theWholeLine', it would be obvious :P

My Information

Member Title:
D.I.C Head
Age Unknown
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Programming Languages:
Java, C, Python, JavaScript

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