Java was an excellent idea on paper. It allowed programmers to create a single program and expect it to work in the majority of operating systems available. It achieves this by not using a specific operating system’s native code. Instead, Java uses its own code then executes it on a virtual machine that interprets the Java code into its counterpart native code. As stated above, it looked great on paper, but in practice Java programs were significantly slower compared to programs coded in the native code. This was largely due to the fact each code needed to be processed twice; by the virtual machine then by the operating system.
1. Java is an OOP programming language while Java Script is an OOP scripting language.
4. They require different plug-ins.
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