The interpreter pattern provides a way to evaluate a computational language syntax or expression. This type of pattern belongs to the behavior pattern. This pattern involves implementing an expression interface that tells the interpretation of a specified context. This mode is used for SQL parsing, symbol processing engines, and so on.
Implementation examples
We will create an interface Expression and implement this interface in a specific class Expression . Defines a TerminalExpression class that serves as the main interpreter for the context in which it is discussed. Other classes- OrExpression and AndExpression used to create composite expressions.
InterpreterPatternDemoThis is a demo class that will use Expression classes to create rules and demonstrate parsing of expressions.
The structure of the implementation interpreter pattern is as shown in-
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Java interpreter mode '