I can't run Java after installing it from a TAR. When I try the java -version command, it tells me that Java is not installed. When I try ./java, it opens a help page! What's going on?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
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পিজিটি(মেডিসিন)
It sounds like the ./java worked, but you didn't include any parameters. Try using ./java -version and see what that gives you. Please note that you will have to use the full path to the Java binary every time that you wish to use Java. If you want to be able to execute it from anywhere without having to do that, you will need to add the binary to your PATH variable. If you're a beginner, it's strongly suggested that you use a GUI package manager to install Java and do this for you.
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