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Installing and Managing Java on Ubuntu
linuxconfig.org/how-to-install-and-switch-java-versions-on-ubuntu-linuxYapay zekadan makale özeti
- Installation Methods
- Java can be installed from Ubuntu repository or official Oracle package
- OpenJDK-jdk-headless package is lightweight for servers
- OpenJDK-jdk package includes GUI support for applications
- Version Management
- Java runtime can be switched using update-alternatives command
- Compiler version can be switched using update-alternatives command
- Multiple Java versions can be installed simultaneously
- JAVA_HOME environment variable can be set for Java installation
- Additional Information
- JDK includes development tools, JRE contains runtime environment
- OpenJDK is free under GNU General Public License
- System automatically selects highest priority version
- Regular updates recommended for security patches