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The “ ” at the end of a declaration or expression may be omitted and is added implicitly. All top-level code snippets added in a JShell session are available to all other code snippets in the same session, regardless of any scope modifiers- public, private, protected-used. The variable, class, and other identifiers stored in a given session may be referenced by other code snippets in the same session. Each code snippet must be added in completeness before Enter is selected to start its evaluation Enter cannot be used to add partial code snippets to construct a complete code snippet. The code snippets added to JShell in a session are evaluated and stored independently and are not appended or otherwise aggregated to form a Java class or some other Java construct.Īs an example, a class declaration followed by a method declaration does not add the method to the class. Some JShell-specific commands are provided for the Java code snippets added, such as the /list command to list all code snippets added, and the /vars command to list all variables. Top-level code snippets are distinguished from code snippets within enums, classes, and interfaces. For example, variable and method declarations may be created without creating a class. Java code snippets do not have to be evaluated in any context. JShell is an interactive shell for evaluating Java code snippets this includes variables, expressions, statements, classes, methods, and other Java constructs.