running sun java from cygwin

I have installed cygwin in C:\deepan\cygwin\ directory... how do I reinstall it in C:\ directory? I want to be able t开发者_StackOverflow中文版o run java in C:\programfiles\java\ folder from cygwin

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Try the following command (with-in Cygwin):

cd "/cygdrive/c/Program Files/Java/"

regardless of where you have cygwin installed you can change directories internally.

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To be able to run Java from anywhere you don't need to reinstall cygwin. You should be able to do this
- add the java path to the paths (best solution): export JAVA_HOME="/cygdrive/c/Program\ Files/Java/jre1.8.0_102"
export PATH="$PATH:$JAVA_HOME/bin"
- create aliases like: alias java="/cygdrive/c/Program\ Files/Java/jre1.8.0_102/bin/java.exe"
- create symbolic link: ln -s /cygdrive/c/Program\ Files/Java/jre1.8.0_102/bin/java.exe /usr/bin/java