Install Java Yum |link| -

sudo yum install java-latest-openjdk-devel If multiple Java versions are installed, use alternatives to set the default. 4.1. List Configured Java Versions sudo alternatives --config java 4.2. Switch Default Version Select the number corresponding to the desired version. 4.3. Set javac (Compiler) Similarly sudo alternatives --config javac 5. Verify Installation Check Java runtime:

echo $JAVA_HOME List installed Java packages: install java yum

sudo yum list installed | grep openjdk Remove a specific package: Switch Default Version Select the number corresponding to

java -version Sample output:

sudo yum localinstall jdk-11.0.22_linux-x64_bin.rpm | Issue | Solution | |--------|----------| | No package available | Enable EPEL repo: sudo yum install epel-release | | Unable to find a match | Ensure repository metadata is updated: sudo yum clean all && sudo yum update | | Multiple versions conflict | Use sudo alternatives --config java to resolve | | java: command not found after install | Logout & login, or check /usr/bin/java symlink | 10. Conclusion Installing Java via yum is straightforward, offering flexibility to choose between JRE, JDK, and various versions. The alternatives system simplifies managing multiple installations. Always verify with java -version and set JAVA_HOME for production environments. Need a specific Java version or distribution? Adjust the package names accordingly (e.g., java-1.8.0-openjdk for Java 8). For containers or minimal environments, the -headless variant saves space. Verify Installation Check Java runtime: echo $JAVA_HOME List

sudo yum install java-17-openjdk-devel On many systems, you can install the default Java set by the distribution:

sudo yum install java-latest-openjdk Or for the latest JDK: