mepcotterell / jdkswap

Simple script to swap JDK installations.

jdkswap

Simple script to swap between JDK installations. If users desire more options, then they are encouraged to consider jenv as an alternative.

Limitations

• Currently only supports bash.

Setup

1. Download the script:

   $ git clone [e-mail]:mepcotterell/jdkswap.git
   

2. Create a ~/.jdkswap configuration file. Here is an example:

   declare -A JDKSWAP_JDKS=(
       ["oracle:jdk-8.0.251"]="/path/to/oracle/jdk1.8.0_251"
       ["oracle:jdk-14.0.1"]="/path/to/oracle/jdk-14.0.1"
       ["openjdk:jdk-11.0.2"]="/path/to/openjdk/jdk-11.0.2"
   )
   
   JDKSWAP_DEFAULT_JDK="oracle:jdk-8.0.251"
   

3. Swap to the default JDK:

   $ ./jdkswap.sh --swapto
   

Usage

1. Use the --help option to see all the options:

   $ ./jdkswap.sh --help
   

   jdkswap 0.3 by Dr. Cotterell
   Usage: jdkswap.sh [OPTION]
   Simple script to swap between JDK installations.
    --help               Display this help message.
    --list               List available JDKs.
    --current            Display current JDK.
    --swapto jdkname     Swap to jdkname.