https://www.oracle.com/java/technologies/oracle-java-archive-downloads.html

    1. [root@riyimei tmp]# rpm -qa jdk1.8 
    2. jdk1.8-1.8.0_261-fcs.x86_64
    3. [root@riyimei tmp]# rpm -qi jdk1.8 
    4. Name        : jdk1.8
    5. Epoch       : 2000
    6. Version     : 1.8.0_261
    7. Release     : fcs
    8. Architecture: x86_64
    9. Install Date: Sun 25 Oct 2020 09:13:25 PM CST
    10. Group       : Development/Tools
    11. Size        : 256968058
    12. License     : https://java.com/otnlicense
    13. Signature   : RSA/SHA256, Thu 18 Jun 2020 03:31:04 PM CST, Key ID 72f97b74ec551f03
    14. Source RPM  : jdk1.8-1.8.0_261-fcs.src.rpm
    15. Build Date  : Thu 18 Jun 2020 03:04:18 PM CST
    16. Build Host  : java.com
    17. Relocations : /usr/java 
    18. Vendor      : Oracle Corporation
    19. URL         : http://www.oracle.com/technetwork/java/javase/overview/index.html
    20. Summary     : Java Platform Standard Edition Development Kit
    21. Description :
    22. The Java Platform Standard Edition Development Kit (JDK) includes both
    23. the runtime environment (Java virtual machine, the Java platform classes
    24. and supporting files) and development tools (compilers, debuggers,
    25. tool libraries and other tools).
    27. The JDK is a development environment for building applications, applets
    28. and components that can be deployed with the Java Platform Standard
    29. Edition Runtime Environment.
    30. [root@riyimei tmp]# rpm -qc jdk1.8 
    31. /usr/java/jdk1.8.0_261-amd64/.java/.systemPrefs/.system.lock
    32. /usr/java/jdk1.8.0_261-amd64/.java/.systemPrefs/.systemRootModFile
    33. /usr/java/jdk1.8.0_261-amd64/.java/init.d/jexec
    34. /usr/java/jdk1.8.0_261-amd64/jre/lib/charsets.pack
    35. /usr/java/jdk1.8.0_261-amd64/jre/lib/deploy.pack
    36. /usr/java/jdk1.8.0_261-amd64/jre/lib/ext/localedata.pack
    37. /usr/java/jdk1.8.0_261-amd64/jre/lib/javaws.pack
    38. /usr/java/jdk1.8.0_261-amd64/jre/lib/jsse.pack
    39. /usr/java/jdk1.8.0_261-amd64/jre/lib/plugin.pack
    40. /usr/java/jdk1.8.0_261-amd64/jre/lib/rt.pack
    41. /usr/java/jdk1.8.0_261-amd64/lib/tools.pack
    42. [root@riyimei tmp]#
    1. [root@riyimei tmp]# rpm -e jdk1.8 
    2. [root@riyimei tmp]# rpm -qa jdk1.8 
    3. [root@riyimei tmp]# rpm -qc jdk1.8 
    4. package jdk1.8 is not installed
    5. [root@riyimei tmp]# rpm -qi jdk1.8 
    6. package jdk1.8 is not installed
    7. [root@riyimei tmp]#