The class created from the JSP is known as
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JSP Implementation class file
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JSP page Implementation class
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JSP file Implementation class
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JSP class Implementation file
When a JSP (JavaServer Page) is compiled by the web container, it generates a Java class file that implements the servlet interface. This generated class is commonly referred to as the JSP Implementation class file. It contains the translated JSP code along with the servlet lifecycle methods.
When a JSP page is first requested, the JSP container translates it into a Java servlet source file and compiles it into a class — commonly referred to as the JSP page's implementation class (or 'JSP Implementation class'). This generated class actually implements the servlet logic that executes on each request. The other options are just reworded permutations of the same words ('page', 'file', 'class' shuffled) that aren't standard terminology, making them distractors rather than substantively different concepts.