Best Groovy Interview Questions and Answer Preparation Resources
Groovy is an object-oriented programming language for the Java platform. Groovy is also a high-productivity framework so as to follows the "coding by convention" paradigm to give a stand-alone development environment as hiding a great deal of the configuration detail from the developer. And Grails is an open source web application framework so as to uses the Groovy programming language. Grails provide a web framework for java platform. In Groovy lot smaller stuff is checked at collection time than with Java, but since the code is much more expressive, there is a lot less opportunity for errors too, and unit tests are a lot easier especially thanks to DSL's.
Groovy file containing source code written in Groovy format, a programming language similar to Java; object-oriented programming language, which is helpful for designing applications and programs; easily integrates into the Java platform.Groovy files provide a number of helper methods when working with I/O. Groovy provides simple and easier classes to provide and facilitate the multiple functionalities for the files.Groovy also follows Java's notion and technique of allowing import statement to resolve class.Groovy syntax is simple and easy.
Groovy can be used both as a programming language and scripting language that runs on Java Platform and the code is compiled to bytecode on Java Virtual Machine (JVM). It can be used as a scripting language on top of java codebase such as in log configuration, in Gradle build framework etc.It can use all the java libraries.
Both Groovy and Java are popular choices in the market. Groovy is a programming language and also supports scripting language whereas Java is an object-oriented programming language.Groovy supports multi-methods where the choice of running the method will be chosen at the time of runtime whereas Java provides multiple declarations of methods by choosing them at the time of compilation rather than run time.Groovy has Groovy beans whereas Java has Java beans.