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HomeJavajavaTutorialHow Do I Add and Manage Custom JDK Versions in Eclipse?

How Do I Add and Manage Custom JDK Versions in Eclipse?

Adding Custom JDK Versions to Eclipse

Eclipse allows you to configure and toggle between multiple JDKs for your projects. This process involves selecting the appropriate JREs and adjusting the compiler settings.

Managing JDKs in Eclipse:

To manage the list of available compilers within Eclipse:

  • Navigate to "Window" -> "Preferences"
  • Select "Java" in the left pane, followed by "Installed JREs"
  • You can add, remove, or change the priority of existing JREs here.

Configuring Project for Specific JDK:

To configure your project to use a specific JDK:

  • Open the project build path configuration dialog
  • In the "Libraries" tab, navigate to "JRE System Library"
  • Delete the current JRE entry and click on "Add Library"
  • Choose the installed JRE you want to compile with

Accessing Additional Compiler Options:

The compiler level options you see in your project settings are determined by the installed JREs. Eclipse may automatically include back-level compiler versions based on the installed JREs.

For example, if you have Java 6 and 7 installed, you may see options for both 1.5 (back-level for Java 6) and 1.6 (native for Java 6), while Java 7's native level is 1.7.

If you want to add a non-included compiler version, you need to manually install the corresponding JRE to make it available within Eclipse.

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