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As far as I understand it, jre/jdk can be distributed. Refer to the official website Q&A: https://www.java.com/en/download/faq/distribution.xml
JDK should be free, but not open source. I haven't looked closely at Oracle's official license, but it doesn't seem to prohibit you from using JDK to develop your own company's commercial software. Even if commercial software linked to the GPL library under the GPL agreement must be open source, the LGPL clearly supports the development of software based on open source libraries. Oracle's official agreement discusses more about whether you can include JDK in the software you publish, and the issue of declaring the copyright of JDK.