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OracleJDK 对比 OpenJDK

通过结构化对比表查看 OracleJDK 与 OpenJDK 的差异，然后继续浏览相关面试题、测验以及类似主题比较。

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主题对比

OracleJDK 与 OpenJDK 的对比有助于你理解哪一种更适合自己的使用场景。这里也整理了 OpenJDK 和 OracleJDK 的常见对比内容，适用于面试准备。

比较概览

OracleJDK 与 OpenJDK 的区别

OracleJDK 与 OpenJDK 的对比有助于你理解哪一种更适合自己的使用场景。这里也整理了 OpenJDK 和 OracleJDK 的常见对比内容，适用于面试准备。

OracleJDK 本次并排比较中的主题一。

14 当前页面可用的比较条目。

OpenJDK 本次并排比较中的主题二。

OracleJDK Interview	OpenJDK
OracleJDK was licensed under GPL (General Public License) license.	OpenJDK was licensed under GNU GPL (General Public License) license.
OracleJDK was developed by Sun Microsystems Inc.	OpenJDK was developed by Oracle, OpenJDK & Java community.
OracleJDK provides performance as per Sun JDK's development and implementation.	OpenJDK provides high performance which were developed by some vendors on top of OracleJDK.
Scalability is as per Sun's implementation.	Scalability can be improved using other libraries or on top of Oracle JDK.
Pricing: Sun's official implementation license.	Pricing: Open source and free implementation available for free use.
Speed: Normal as per JDK implementation.	Speed: Third party vendors will be improving speed of JVM by making some tweaks.
Operating System: Supports Windows, Linux, Solaris, MacOS.	Operating System: Supports Windows, Linux, MacOS, FreeBSD.
Ease of use: Can be used with any application development.	Ease of use: Can be used with any application development and other open source tools to improve the performance in open source implementation model.
Oracle SDK supports the changes in release for long-term.	Open JDK supports only until the next release is planned and done.
Oracle JDK has good GC options and better renderers.	OpenJDK has fewer GC options and has slower graphics renderer options because of its distribution which contains own renderers.
Oracle JDK provides much better performance compared to the OpenJDK in terms of responsiveness and JVM performance.	Whereas OpenJDK provides less performance than Oracle JDK in terms of responsiveness and JVM performance.
Oracle JDK has less open source community compared to the OpenJDK.	OpenJDK community users outperform the features released by Oracle JDK to improve the performance.
Oracle JDK was solely developed by Oracle corporation.	Open JDK project was joined and collaborated by top-notch companies such as IBM, Apple, SAP AG, Redhat etc.
Oracle JDK was developed by Oracle Corporation which was under Sun License and was implemented based on the Java Standard Edition Specification. It was completely based on Java programming language. Later the license was announced to be released under GPL (General Public License) License. Oracle JDK contains many components as a collection of programming tools in the form of a library.	OpenJDK is an open-source and free implementation of the Java SE Platform Edition which is the result of the developments made by Sun Corporation (now Oracle Corporation) which was started in the year 2006. It was licensed under the GNU GPL license. It was initially released in the year 2007. It was developed by Oracle Corporation, Red Hat, IBM, Apple Inc., OpenJDK & Java Community, etc.

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