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Definition and Invocation A closure in Groovy is an anonymous code block enclosed in curly braces. It can be assigned to variables, passed as arguments, and invoked on demand. def greet = { println 'Hello from Groovy' } Invoke a closure using the call method or through direct parentheses syntax: greet.call() greet() Parameter Handling When a ...

Dynamic Language Characteristics Groovy operates on the Java Virtual Machine as a dynamic programming language that maintains close syntactic resemblance to Java. This design enables seamless interoperability with existing Java codebases while introducing enhanced flexibility through dynamic typing features including closures and domain-specifi ...

String Definition Syntax Groovy provides three distinct ways to define a string literal, each with difefrent behavior regarding escaping, formatting, and expansion. Single‑Quoted Strings A string enclosed in single quotes behaves much like a Java String. Escape sequences must be explicit. package com.example.demo def s1 = 'hello groovy\nworld' ...