Monday, 29th July 2013 - 4JAB - 4UMLB

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Learnt a few things about Java today and started doing some diagrams for 4UMLB in IBM's software,

4JAB:

  • Class names must start with capital
  • Class names must be exactly the same as file names
  • use .java extension to write code then use javac in the command line to compile it into a .class file then use java in commandline to run the compiled program.
    • javac HelloWorldApp.java
    • java HelloWorldApp
  • learnt about path environment variable

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