Java problems in linux

For java issues in linux-general Linux technology-Linux technology and application information, see the following for details. Hello, everyone! Ask a question about the learning method. For example, I can't access the Internet at the company now, that is, I don't have a network to find information. I have a linux and a java installation program corresponding to this linux. The boss now asks me to install java on the linux system, I have never installed java in linux, and no one has installed java in linux. However, the installation methods of software in linux will be replaced by other software installation methods. of, that is, there is no local rescue in the company. How can I complete the task now? I mean, how can I view help information? I checked readme in java, but he didn't say how to set java environment variables in linux, I just talked about how to start the binfile of java.


I just want to ask about a new software in linux, what is the idea of learning to use the new software from the downloaded software package without Baidu? I understand all the basic linux operations.