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Groovy Interview Questions And Answers

Groovy Interview Questions And Answers

What Are The Dependencies For Groovy?

As well as Java 1.4 and the Groovy jar we also depend at runtime on the ASM library.

Mention what relational operators is used for in Groovy?

Relational operators allows you to compare between objects, to check whether the two objects are different or same or if one is less than, greater than or equal to others.

Mention what relational operators is used for in Groovy?

Relational operators allows you to compare between objects, to check whether the two objects are different or same or if one is less than, greater than or equal to others.

Explain what does the JsonSlurper class indicates?

The JsonSlurper is a class that parses JSON text or reader content into Groovy data structures (objects) such as lists, maps, and primitive types like double, Boolean, string and Integer.

Explain what is ExpandoMetaClass in Groovy?

ExpandoMetaClass is used to add methods, properties, static methods and constructors. Expandoclass does not inherited by default; you have to call ExpandoMetaClass.enableGlobally().

Explain how you can include a groovy script in another groovy?

You can include a groovy script with another groovy by using the following code. When put this code at the top of the script it will bring in the contents of a groovy file.

Explain What Is Expandometaclass In Groovy?

ExpandoMetaClass is used to add methods, properties, static methods and constructors. Expandoclass does not inherited by default; you have to call ExpandoMetaClass.enableGlobally().

What Is Grails?

Grails is an open source web application framework that uses the Groovy and Java as programming language, this framework use another frameworks like Spring, Hibernate, SiteMesh and have and embebed H2 database, Tomcat server and ORM(GORM). this framework follow some design patters as Model View Controller(MVC), Convention Over Configuration(CoC), Don’t repeat yourself(DRY) and runs over the Java Virtual Machine(JVM).

Explain What Is Groovysh?

Groovysh is a command line application that enables an easy access to evaluate Groovy expressions, define classes and run experiments.

How Can I Turn On Logging For Hibernate In Order To See Sql Statements, Input Parameters And Output Results?

Edit your Config.groovy file. Find the line with:

hibernate = “off”
and replace it with:
hibernate.SQL=”trace,stdout”
hibernate.type=”trace,stdout”

What Is Are The Closures In Groovy?

A closure in Groovy is an open, anonymous, block of code that can take arguments, return a value and be assigned to a variable.

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