What
Is Groovy?
Groovy is fully object oriented programming
language for JVM - Java Virtual Machines
and used to combine Java modules, to write Java application and to extend
existing Java application.
Groovy is a powerful high level language for the Java platform which compiles down to
Java byte-code. Groovy is Java syntax compatible and is from Apache family of
software.
Why
You Use Groovy?
Groovy has a rich stock of Java Libraries and
easily integrate with your existing infrastructure like –
1. Servlet
Containers
2. App
Servers
3. Loads
of databases with JDBC drivers
4. Completely
Object Oriented
Groovy can be used both as a programming language
and as a scripting language.
It has efficient object navigation, Literal
declaration for maps, arrays, ranges and regular expressions, and Operators can
be overloaded.
What
are the Dependencies for Groovy?
Java 1.4 plus and the Groovy jar, it also depend
on the ASM library at run-time.
What
are the Advantages of Groovy?
Groovy is fully object-oriented programming
language so the code of Groovy is reusable and assignable and the code is very
similar to the Java language with syntax.
Groovy is easily integrated with the existing
interface and also supports operator overloading.
What
are the Limitations of Groovy?
It is little slower while starting up and lack of
learning documentation, examples.
It consumes lots of memory and also requires Java
programming knowledge.
What Is the License for Groovy?
Groovy is free open-source using a BSD or Apache
style license.
What
Is Grails?
The Grails is an open-source web application
framework that uses the Groovy and Java as programming language.
What Is the Default Environments in Grails?
The Default Environments is - Development, Test and
Production
What
Is a Template In Grails?
It is a reusable part of a view that can be used
to render a small part of a view.
What
Is the Closures In Groovy?
A closure in Groovy is an open source, anonymous,
block of code that can take arguments, and return a value and be assigned to a
variable.
What
Command is used to run a Grails Application?
The Command is used - grails run-app
What
Command is used to Refresh Dependencies?
The Command is used - grails refresh-dependencies
What
do you understand by the concept of thin documentation in Groovy?
Thin documentation refers to lack of proper or
detailed documentation and most of the Groovy programmers complain about lack
of detailed documentation on the project or code examples.
I
get errors when trying to run groovy, groovysh or groovyConsole. What’s wrong?
Groovy depends on JDK 1.4 or higher. Common
errors people have when trying to run Groovy is that there’s an old groovy jar
on the CLASSPATH somewhere or that JAVA_HOME points to an old JDK before JDK 1.
How
to add stuff to the classpath when running things in groovysh or groovy?
You can add this things to your $CLASSPATH
environment variable or you can add a directory - .groovy/lib in your home
directory.
What
Is Expandometaclass In Groovy?
The ExpandoMetaClass is used to add methods,
properties, static methods, and constructors.
What
Is ExpandoMetaClass in Groovy?
The ExpandoMetaClass is used to add methods,
properties, static methods, and constructors.
What
Is Groovysh?
Groovysh is a command line application that
enables an easy access to evaluate Groovy expressions, define classes, and run
experiments.
What
Is Sitemesh?
The Sitemesh is a HTML templating framework.
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Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..
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