Always ensure you are downloading the driver from a trusted source to avoid security risks. Oracle frequently releases patches for these drivers to address security vulnerabilities and performance issues. Additionally, if you are connecting to an Oracle Autonomous Database in the cloud, you may also need to download a "Wallet" file or use the newer simplified connection strings supported by the latest Thin driver versions.
When you look at the download list, you will see several different filenames. The number in the filename usually refers to the supported JDK version. Ojdbc8.jar is intended for use with Java 8, while ojdbc10.jar is for Java 11. If you are using the latest Long Term Support versions of Java, such as Java 17 or Java 21, you should look for ojdbc11.jar or the newer 23c variants. Installation and Configuration oracle thin driver jar download
Once you have downloaded the JAR file, you must add it to your application's classpath. In a standalone Java application, this is done by including the path to the JAR in the -cp flag. In a web server like Tomcat, the JAR is typically placed in the lib folder. For the connection string, the Thin driver uses a specific URL format: jdbc:oracle:thin:@hostname:port:SID or the more modern TNS alias format for cloud connections. Security and Compatibility Always ensure you are downloading the driver from