Java Design Patterns: A Hands-On Experience with Real-World Examples

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

V. SarcarJava Design Patternshttps://doi.org/10.1007/978-1-4842-7971-7_25

25. Interpreter Pattern

Vaskaran Sarcar¹  

(1)

Garia, Kolkata, India

 

This chapter covers the Interpreter pattern.

GoF Definition

Given a language, it defines a representation for its grammar along with an interpreter that uses the representation to interpret sentences in the language.

Concept

This pattern plays the role of a translator, and it is often used to evaluate sentences in a language. So, you first need to define grammar to represent the language. Then the interpreter deals with that grammar. This pattern works best if the grammar is simple.

Points to Note

To understand this pattern, ...