As of 2025, Oracle no longer publicly supports JDK 8u121. The build has been superseded by 8u421 and later. However, its significance remains didactic and practical:
The installer, jdk-8u121-windows-x64.exe , typically weighed approximately 190 MB. Upon installation, it delivered the standard JDK components:
Java 8u121 is and contains known security vulnerabilities patched in later updates. If your project allows it, you should upgrade to the latest patch of Java 8 (like 8u401+) or a modern LTS version to ensure system safety. How to create a virtual Android device | Qt Forum