Gradle Interview Questions

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If you're looking for Gradle Interview Questions for Experienced or Freshers, you are at right place. There are lot of opportunities from many reputed companies in the world. According to research Gradle has a market share of about 17.9%. So, You still have opportunity to move ahead in your career in Gradle Development. Mindmajix offers Advanced Gradle Interview Questions 2018 that helps you in cracking your interview & acquire dream career as Gradle Developer.

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Q: What is Gradle?
Gradle is the built system that was introduced with android studio back in 2013 and essentially its main job is to take your source code and resources and everything else that is associated with your project into APK file Gradle has a concept called Tasks which are different to Ant Task. Gradle has a proper programming language instead of HTML configuration file and the language is called ‘Groovy’. The built scripts in Gradle is code in a first-class programming language, so anything related to program code can be easily done in the Gradle built. So, the Gradle scripts are the regular programs but they didn’t use Java as writing the scripts instead they opted for another language called Groovy. Therefore, Gradle’s written scripts have used a programming language which is termed as Groovy and besides it has a directed acyclic graph to determine the order of the task. 

Q: What is Groovy in Gradle?
The core programming language of Gradle is written in the form a script and this script is known by the terminology as ‘Groovy’. Groovy has some interesting features to be noted down firstly, it runs on the Java Virtual Machine (JVM) so that means it can interoperate with Java really well. Secondly, you don’t need to learn Groovy in order to write a build scripting Gradle book. Thirdly, its backward can be compatible with Java. The Groovy code is lots smaller and easier to write and read than the Java code. Groovy is the language that underlies the Gradle. Groovy is a JVM language so it compiles down the JVM byte code and besides it is not exactly a Java but it acts like a Java with a whole bunch of its stuff and it is particularly a dynamic language like Ruby and Python.

Q: Advantages of using Gradle?
1. Gradle combines both Ant and Maven taking the best from both of these frameworks flexibility from Ant tool and convention over configuration dependency management and plugins from Maven.
2. Gradle Provides support from all the project builts.
3. Better library management.
4. It let you publish or attached to your project a self-content library with all its resources, assets, and even more manifest entry.
5. It is highly configurable and flexible at the same time.

Q: How to Install Gradle on Eclipse?
Step 1:

Open Eclipse
Step 2:
Click on Help menu on the toolbar & install new software
Step 3:
Click add
Step 4:
Insert name with anything 
Step 5:
Click OK and check all the checkbox
Step 6:
Click on finish button

Q: What is Gradle Daemon?
Daemon is a background built server that we can use to make built faster. The best feature of Gradle Daemon is that it gets faster the more you use it. It is a long-lived background Java process besides it acts as a client/server communicating with TCP locally. It also listens for and executes Build Actions. 

Q: How is Daemon in Gradle 3.0?
1. Better UX
2. More powerful and sturdy
3. Resource-aware
4. Integrated with Gradle Build Scans
5. Enabled By default

Q: What is Gradle Build Task?
Every Gradle Build Tasks is made up of one or more projects and a project represents what is been done with Gradle. For instance, it might represent the library jar or a web application. It can also represents some activity been done using Gradle, for instance, deploying of code to continuous integration server, running automated tests before merging into VCS and so on. Some key of features of Gradle Build Tasks are:
1. Task has life cycled methods- do first, do last
2. Build Scripts are code
3. DAG can be configured
4. Default tasks like run, clean etc
5. Task dependencies defined using properties like mustRunafter, dependsOn, etc

Q: What is Gradle Wrapper?
Gradle Wrappers helps you to run Gradle without having been installs and it downloads the required Gradle versions. This downloaded Gradle version is specific only to this particular project. The key features of Gradle Wrapper are:
1. Ideal for use in Continuous Integration Servers and Version Control System
2. Wrapper scripts download the required Gradle version
3. Configure wrapper by means of Wrapper Task

Q: What is Gradle Build Life Cycle?
The Gradle Build phases consist of three major steps without which the Build Life Cycle will be failed to use this includes initialization phase, configuration phase, and execution phase. The initialization phase is where the project layer or objects are organized and on the other hand, the configuration phase is where all the tasks are available for the current build are found out and you create a dependency graph. The execution phase is one where the end tasks are executed.
Some Key Features:
1. It can receive notifications during lifecycle
2. Settings.gradle file determines type of build 

Q: What is Gradle Java Plugin?
It is determined that all the useful features that you need for any particular build like compiling Java code or creating documentations etc are added by means of Plugin. The Plugin extends the features of Gradle and you can customize it for each of your builds. The Java plugin basically adds Java compilation along with testing and bundling capabilities to the project. It is introduced in the way of a SourceSet which act as a group of source files complied and executed together. Plugins, can therefore, add new tasks; can create new domino and etc. 

Q: What Is The Gradle Build Script File Name?
The Gradle Build Script file name is written in a format named build.gradle which configures your Gradle scripting language.

Q: What Is The Latest Version Of Gradle Available In The Market?
The available latest version for the Gradle automation system is 3.5 which has been released in the year 2017 with faster functions. 

Q: Why Gradle Is Preferred Over Other Build Tools?
Historically, it is used be the building which is compiling and packaging a source code. Today, builders are responsible for so much more they run a test, combine the code resources to multiple sources, generate documentation, publish applications and manage dependencies. Therefore, the builders become the software factory where we can continually change tests and release our apps. Thus, Gradle is a one shop stop for defining an integrated all parts of your self-delivered processes. For example, for the Gradle users, the process that executes modern ids likes Android Studio which makes the Gradle for a better tool than others Build tools. Google selected Gradle as the build system for Android Studio. In fact, Android Studio has delicates the entire process of building android apps to Gradle tool. Gradle is the dominant multi-platform build system. Another advantage it has a compact and powerful build language used to write its build scripts. 

Q: Maven vs Gradle
Maven and Gradle are the two most popular build tools in the Java system. They have a lot of similarities that’s why it is so fun and interesting to make a comparison between them. Both of them have advantages and disadvantages and here we will make some strong point for each of them. 

One of the revolutionary aspects of Maven is that its reusability aspects which made it worldwide popular. In Maven, you can build models into a hierarchy and the reactor is how the Maven will look at those models individually and creates the way building them independently for each other considering all the dependencies it can work efficiently building models and models. 

1. Dependency Validation
2. Composite Build
3. Conflict Revolution
4. Dependency Rules

Q: What is Gradle Dependency Management?
Gradle Dependency Management involves the programming of dependencies that operate in the form to build projects and Gradle work in a particular path which leads to a unique syntax that termed as dependencies. Perhaps, Gradle main function is to look for the path where it can run or construct the project in order to find them. The Gradle determines the dependencies of any project and lets them highlight in the build tool. 

Check Out Gradle Tutorials

Q: What is Dependency Configuration?
A set of dependencies is termed as dependency configuration which also comprises of some external dependencies which you probably need to install and download from the web. There are some key features of dependency configuration they are:

The project you are going to start and work on it first need to be compiled together to make it in a working condition. 

It is the required time needed to get the dependency work in the collection.

Test Compile:
The check source of the dependencies is to be collected in order to run the project.

Test Runtime:
The final procedure is to check and run the test which is by default act as a runtime mode. 

Q: What is Gradle Build a JAVA Project?
One can easily build or construct Java Project by using this modern tool named Gradle build file. The first essential part needed to be considered is that the needs to add Java Plugin to the Gradle build script as its main objective is to compile generate Javadoc, run tests, Java-based code, and to create a JAR record. It is only possible if the format build.gradle file is rightfully used during the whole process. 

Q: What are the advanced features of Gradle?
1. The Gradle tool work as a task rules and dynamic tasks.
2. It highly based n dependency build script.
3. It also comprises of Gradle Daemon which works as a background built server.

Q: Who uses Gradle?
Gradle act as a modern and sophisticated tool like another popular Maven tool which has its own dynamic quality and various usages in many programming languages this includes:
1. Spock
2. Groovy
3. Canoo
4. Gant
5. Hibernate
6. Grails
7. Spring Integration
8. FCC
9. Griffon

Q: What is Gradle Multi-Project Build?
Gradle is said to be one of the best tools which can handle any tasks irrespective of large or small. This unique tool is highly efficient enough to work with any kind of task-related projects. The smaller the file is, the work becomes easier and flexible and this entire process is called to be as Gradle Multi-Project Build. 
Q: What is Gradle Running a Build?
One of the unique features of Gradle is that it works on multiple projects or tasks at the same given time with hassle-free working performance. It generally used a command line to carry out the works of build script. Therefore, it can easily execute multiple task-based works at a time from a single build file. This whole process act as a conjunction where one projects added or linked with one after the other. 

Q: What are the core components of Gradle Build Script?
Gradle is incomplete without the availability of a project along with the task and the programming language Groovy makes the list of all tasks of the projects. In order to get the full list of the available projects use command to get the full view of the task lists. 

Q: How to find Gradle Project Dependencies?
In such cases, always use the command option it will automatically list the selected project dependencies which will consist of both the dependencies on one hand the transitive dependencies and on the other the direct dependencies. 

Q: What is the main difference between Maven Build.xml and Build.gradle Script?
The two basic and important attributes are needed to define the Maven Build.xml this include the start tags and the end tags. On the other hand, Build.gradle runs on the programming language Groovy and this build script works on syntax. 

Q: How to create an IntelliJ Idea Gradle Project?
To start a Gradle Project in IntelliJ you need to first create a new project on this particular software and there you will get a number of options and out of which you will choose the Gradle options and next it will lead to a check-box where it shows all the empty directories like source main Java or source test Java and then we will choose a build Gradle wrapper to carry out the work process and will change the JVM version to 1.8. It eventually shows the all the skeleton of the project.

Q: What is Gradle Deployment?
The build artifacts repositories can be deployed by the Gradle tool in many ways it can easily change from Gradle to Maven by using the Maven-Publish Plugin. 

Q: Why use Gradle instead of Ant and Maven?
Both Ant and Maven work perfectly as a tool and both has more or less similar features and traits. Ant is obliviously a flexible usage tool and Maven is known for its dependency efficiency management. But the unique features of Gradle tool make it gloriously significant than any other popular tool as it work remarkably on various multi-projects with hassle-free functions. Thus, Gradle has both the key features of both Ant and Maven.

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Q: How Gradle works as a migration agent?
Gradle is very flexible in nature and it can adapt any structure and any position according to its behavior and it is a reliable source which is not all destructive in nature rather it works efficiently step by step. 

Q: What is Gradle Motto?
The Gradle tool has chosen an idealistic slogan which makes the user believe in a composite framework and the quote says “Make the impossible possible, make the possible easy, and make the easy elegant”.

Q: What is Gradle Build Environment?
The Gradle serves various ways and options that help to build and construct Java to configure it throughout the process of the entire project which will carry out the build.


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