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Basic step for installing and setting up environment.

  1. Download Latest Version of Java From Here: JAvA WEBSITE.
  2. Install the Java.
  3. Setting up Environment Variables:

    For Windows XP
    • Right Click on My Computer and then select properties.
    • Click on Environment Variable under the tab "Advance".
    • Now modify the path variable.
      Example: If it contains any value leave it and at very last add the following:
      ;C:\Program Files\Java\JDK\
      where after ";" is JDK Path where you install Java.

  4. For Windows 7 or Windows 8
    • Right Click on My Computer and then select properties.
    • Select Advanced System Setting under the Advanced Tab.
    • Follow the same thing as described for XP.

    For Linux, Unix or FreeBSD
    • Run your bash or shell program.
    • Write: export PATH=/path/to/java:$PATH
  5. Almost Done.
  6. For writing java program you can use Notepad or Notepad++.
  7. Write your first java program in any text editor and save it with anyname with suffix(extension) ".java"
  8. Open command prompt(in Windows) or shell/bash(in Linux).
  9. Move to your file location by using cd.
    Example: If you save your file in C:\test\myfile.java then you write cd c:\test
  10. Write javac YourFileName.java
  11. If there is no syntax error in your java program then its returns nothing.
  12. Write java YourClassName

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