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Can I uninstall Java Runtime Environment 32 without any issues? I have Java 7 update 51 and Java 7 update 51 (64-bit) both installed. I want to uninstall the 32-bit version. I am developing in Java, using the 64-bit JDK.

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Per java.com, you only need the 64bit JRE if you plan on running a 64bit browser. Windows x64 systems by default have seperate 32 and 64bit versions of IE, so if you plan to use the x64 option (x86 is default), you need a 64bit plugin and JRE.

If you plan to run Firefox/chrome/whatever-other-x86-browser, just use the 32bit.

if you are getting a JDK for development determine what version is appropriate for your IDE or other development tools, and use it.

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If you're developing pure Java applications (that is, no C/C++ code linked in) you can eliminate the 32-bit version. The two JRE (Java runtime environment) will work equally as well.

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The 32-bit JRE is required to use the Java plugin in 32-bit browsers like Google Chrome and Mozilla Firefox (on Windows). For developing, just the 64-bit JDK is enough.

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