java: revert from java 1.8 to 1.7 windows 10

  • Uninstall Java from Control Panel -> Programs -> Uninstall
  • Need to remove three files from /Windows/System32 and C:\ProgramData\Oracle\Java\javapath (you need to view hidden files to see Program Data)
    • This files are  "java", "javaw" and "javaws"
  • After you do this you should reboot and then install the java version you want (in this example java 1.7)
  • After this you may want to go to the command prompt (Start -> CMD) and type java -version to see the installed version

Some additional steps that may be required.

  • Go to Start -> Advanced System Settings -> Environment Variables
  • Check that your JAVA_HOME is setup correctly

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