jvm

Java Development Kit Version Manager

• Usage
• Commands

Usage

$ npm install -g jvm
$ jvm COMMAND
running command...
$ jvm (--version)
jvm/0.0.0 darwin-arm64 node-v22.14.0
$ jvm --help [COMMAND]
USAGE
  $ jvm COMMAND
...

Commands

• jvm current
• jvm doctor
• jvm init
• jvm install VERSION
• jvm list
• jvm uninstall VERSION
• jvm use VERSION
• jvm which

jvm current

Show currently active JDK version

USAGE
  $ jvm current [-v] [--java-home]

FLAGS
  -v, --verbose    Show detailed information about current JDK
      --java-home  Show only JAVA_HOME path

DESCRIPTION
  Show currently active JDK version

EXAMPLES
  $ jvm current
  Current JDK version: 17.0.9 (OpenJDK)
  JAVA_HOME: /usr/lib/jvm/java-17-openjdk

  $ jvm current --verbose
  Current JDK version: 17.0.9 (OpenJDK)
  JAVA_HOME: /usr/lib/jvm/java-17-openjdk
  Vendor: Eclipse Temurin
  Architecture: x64
  Location: /opt/jvm/versions/17.0.9

See code: src/commands/current.ts

jvm doctor

Diagnose JDK installation and configuration issues

USAGE
  $ jvm doctor

DESCRIPTION
  Diagnose JDK installation and configuration issues

EXAMPLES
  $ jvm doctor
  🩺 JDK Health Check Report
  ==========================
  ✓ JDK Manager Installation: OK
  ✓ System Java Detection: OK
  ⚠️  JAVA_HOME Environment: Not set globally
  ✓ PATH Configuration: OK
  ✓ Installed JDKs: 3 versions found
  ✗ Default JDK: Not configured
  Recommendations:
  - Set JAVA_HOME globally
  - Configure a default JDK version

See code: src/commands/doctor.ts

jvm init

Initialize JDK version manager for the current project

USAGE
  $ jvm init [-v <value>] [-g]

FLAGS
  -g, --global           Initialize global JDK configuration
  -v, --version=<value>  JDK version to use for this project

DESCRIPTION
  Initialize JDK version manager for the current project

EXAMPLES
  $ jvm init
  ✓ Created .jdkrc file
  ✓ Configured project to use JDK 17.0.9

  $ jvm init --version 21
  ✓ Created .jdkrc file
  ✓ Configured project to use JDK 21.0.1

See code: src/commands/init.ts

jvm install VERSION

Install a specific JDK version

USAGE
  $ jvm install VERSION [-d] [-f] [-v <value>]

ARGUMENTS
  VERSION  JDK version to install (e.g., 17, 21, 8.0.392)

FLAGS
  -d, --set-default     Set this version as the default after installation
  -f, --force           Force installation even if version already exists
  -v, --vendor=<value>  [default: temurin] JDK vendor (oracle, openjdk, temurin, etc.)

DESCRIPTION
  Install a specific JDK version

EXAMPLES
  $ jvm install 17
  Installing JDK 17...
  ✓ JDK 17.0.9 installed successfully

  $ jvm install 21 --set-default
  Installing JDK 21...
  ✓ JDK 21.0.1 installed successfully
  ✓ Set as default JDK version

See code: src/commands/install.ts

jvm list

List available JDK versions

USAGE
  $ jvm list [-r] [-i]

FLAGS
  -i, --installed  Show only installed versions
  -r, --remote     Include remote versions available for download

DESCRIPTION
  List available JDK versions

EXAMPLES
  $ jvm list
  Available JDK versions:
    8.0.392
    11.0.21
  * 17.0.9 (currently active)
    21.0.1

  $ jvm list --remote
  Available JDK versions (including remote):
    8.0.392
    11.0.21
  * 17.0.9 (currently active)
    21.0.1
    22.0.0 (remote)

See code: src/commands/list.ts

jvm uninstall VERSION

Remove a JDK version

USAGE
  $ jvm uninstall VERSION [-f] [--keep-config]

ARGUMENTS
  VERSION  JDK version to uninstall (e.g., 17, 21, 8.0.392)

FLAGS
  -f, --force        Force uninstall without confirmation
      --keep-config  Keep configuration files after uninstall

DESCRIPTION
  Remove a JDK version

EXAMPLES
  $ jvm uninstall 17
  Are you sure you want to uninstall JDK 17.0.9? (y/N) y
  ✓ JDK 17.0.9 uninstalled successfully

  $ jvm uninstall 21 --force
  ✓ JDK 21.0.1 uninstalled successfully (forced)

See code: src/commands/uninstall.ts

jvm use VERSION

Switch to a specific JDK version

USAGE
  $ jvm use VERSION [-g] [-l]

ARGUMENTS
  VERSION  JDK version to switch to (e.g., 17, 21, 8.0.392)

FLAGS
  -g, --global  Set JDK version globally for all projects
  -l, --local   Set JDK version only for current project

DESCRIPTION
  Switch to a specific JDK version

EXAMPLES
  $ jvm use 17
  ✓ Switched to JDK 17.0.9

  $ jvm use 21 --global
  ✓ Switched to JDK 21.0.1 (global)

See code: src/commands/use.ts

jvm which

Show the path to the specified JDK version

USAGE
  $ jvm which [-v <value>] [-h] [-b]

FLAGS
  -b, --bin              Show bin directory path
  -h, --home             Show JAVA_HOME path instead of executable
  -v, --version=<value>  JDK version to locate (defaults to current)

DESCRIPTION
  Show the path to the specified JDK version

EXAMPLES
  $ jvm which
  /opt/jvm/versions/17.0.9/bin/java

  $ jvm which 21
  /opt/jvm/versions/21.0.1/bin/java

  $ jvm which --home
  /opt/jvm/versions/17.0.9

See code: src/commands/which.ts