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Searching for a Gradle job? If you are an expert in writing scripts then this is for you. Do not worry, we’ve a right answer for your job interview preparation. If you are preparing for Gradle job interview, we will help you in clearing the interview through Wisdomjobs interview questions and answers page. It is an automation system and freeware which can be downloaded for free from internet. It takes the basis from Maven and Ant. Using Java, you can code in your own way. It is used in Android Studio. It is different to XML language. It is a plugin based system that can be attached to your browser. Below are the Gradle interview questions and answers which makes you comfortable to face the interviews:
Gradle is an open source build automation system that builds based on the concepts of Apache Ant and Apache Maven and introduces a Groovy-based domain-specific language (DSL) instead of the XML form used by Apache Maven for declaring the project configuration.
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.
Gradle provides support for multi-project builds.
A wrapper is a batch script and it is one of the ways to perform Gradle build. When executed the first time, it automatically downloads Gradle and then initiate the build.
It helps to setup Gradle workspace quickly for first-time users (Zero installation) and also ensure all the developers use the same version of Gradle.
Gradle build script is written using groovy API which has the syntax similar to Java so it is easy to understand.
Gradle supports ant tasks, ivy and Maven repositories for dependency management. It also has a maven Pom.xml converter to Gradle build script.
Gradle build tool latest version is 3.5 as of May 2017. The version on your local Gradle installation can be checked using gradle -v command.
Execute Gradle build using gradle command.
Project and task are the core compoents. Groovy organizes projects as a list of tasks.
To view the list of available projects, use the command gradle projects, for the tasks list the command is gradle tasks.
Use the Gradle command gradle dependencies that lists the dependencies of the selected project. It includes both direct and transitive dependencies.
Maven build.xml is xml document that includes start and end tags. Build.gradle is a Groovy script which has syntax similar to Java.
Framework uses a Gradle-based build system. In the instructions below, ./gradlew is invoked from the root of the source tree and serves as a cross-platform, self-contained bootstrap mechanism for the build.
Git and JDK 8 update 20 or later
Be sure that your JAVA_HOME environment variable points to the jdk1.8.0 folder extracted from the JDK download.
Check out sources
git clone firstname.lastname@example.org:spring-projects/spring-framework.git
Import sources into your IDE
Run ./import-into-eclipse.sh or read import-into-idea.md as appropriate.
Note: Per the prerequisites above, ensure that you have JDK 8 configured properly in your IDE.
Install all spring-* jars into your local Maven cache
Compile and test; build all jars, distribution zips, and docs
... and discover more commands with ./gradlew tasks. See also the Gradle build and release FAQ.
Pull requests are welcome; see the contributor guidelines for details.
Staying in Touch
Follow @SpringCentral as well as @SpringFramework and its team members on Twitter. In-depth articles can be found at The Spring Blog, and releases are announced via our news feed.
The Spring Framework is released under version 2.0 of the Apache License
Question 12. How Long Should A Build Take? When Running `./gradlew Build` For The First Time, It Is Likely That The Gradle Wrapper Script Will Need To Download Gradle For You. Gradle Distributions Run Around 30mb, So This Step Will Be Connection-speed Dependent?
You will also need to download all of Spring's compile- and test-time dependencies. This currently runs around 120MB. Keep in mind here that almost all of these dependencies are optional at runtime for applications that use Spring. It's only when building from source that you actually need them all!
Once you've bootstrapped a Gradle distribution and downloaded dependencies, you won't need to do it again; they are cached in your $HOME/.gradle directory. A complete ./gradle clean build at this point will take between 5 and 15 minutes depending on your clock and disk speed. A solid state drive makes a huge difference here!
As is also mentioned below in the 'tips' section, you'll want to break yourself of any habits executing the clean task during normal development iterations. Gradle has excellent incremental build support, meaning that once you've built Javadoc, compiled, run test, etc, Gradle won't execute these tasks again unless the inputs for those tasks (e.g. .java files) have changed. As a general rule, just run ./gradle build or ./gradle test (without clean) to keep things snappy.
Also, consider running with the -a flag to avoid evaluating other subprojects you depend on. For example, if you're iterating on changes in spring-webmvc, cd into the spring-webmvc directory and run ../gradlew -a build to tell gradle to evaluate and build only that subproject.
The Gradle daemon helps greatly in eliminating startup overhead. This feature may potentially be enabled by default in the future, but in the meantime you need to instruct Gradle to launch the daemon process. This can be achieved by passing the --daemon flag to gradle at the command line, by exporting a GRADLE_OPTS environment variable that includes -Dorg.gradle.daemon=true, or by adding org.gradle.daemon=true to the gradle.properties file in your gradle user home directory (e.g., ~/.gradle/gradle.properties).
If you are building against JDK 9 and using the Gradle daemon, you may encounter an Unrecognized VM option error which halts the build. To avoid this error, you can add org.gradle.jvmargs=-XX:MaxMetaspaceSize=1024m -Xmx1024m to the gradle.properties file in your gradle user home directory. See also GRADLE-3256 for details.
[compileJava, compileTestJava]*.options*.compilerArgs = ['-Xlint:none']
This tells Gradle to suppress all warnings during compilation. The reason for this is that the framework currently has many warnings, most of which are related to generics usage -- particularly raw type warnings -- e.g. using Class instead of Class<?>. This is an artifact switching to Java 5 in Spring 3. As with the Javadoc warnings mentioned above, committers are encouraged to fix these warnings whenever possible. Once the bulk of them are eliminated, we can switch to -Xlint:all. In the meantime, it's just creates unnecessary noise in the build output.
The steps are simple, and almost everything is done via the Bamboo and Artifactory UIs.
Configure your CI build plan to use the Artifactory Maven 3 or Artifactory Gradle tasks as appropriate. For "Deployer Username", use "buildmaster" (password on request).
Steps at a glance
Steps in detail
This allows for maximum convenience for the majority of Spring users, given that most users have Maven-based builds and Maven resolves artifacts by default from Maven Central.
The preferred way of releasing artifacts to Maven Central is via Sonatype's Nexus server at oss.sonatype.org (OSO). This is explained in detail in Sonatype's OSS usage guide.
The Spring Artifactory repository has been customized with a "nexus-push" plugin that allows for automatic propagation of builds from Artifactory to the Nexus server at OSO for publication into Maven Central.
All Spring projects -- that is, all projects having groupid org.springframework -- can publish to OSO under the shared 'springsource' account. This has already been set up in the nexus-push plugin, so there's no additional setup necessary at OSO, even for new projects.
The Artifactory Bamboo plugin supports use of the nexus-push plugin through it's UI. Step 3 of the the FAQ entry above on publishing releases described the process for promoting a build out of staging. If the build is a GA release, simply choose the 'Push to Nexus' option, and select 'libs-release-local' as the target repository.
Right now. See the samples README for details on how to get started.
a subsequent milestone release of Gradle Script Kotlin will ship with the forthcoming Gradle 3.0. We'll be posting further information about the roadmap to Gradle Script Kotlin 1.0 GA soon.
No. Gradle's Groovy support is not deprecated, and will continue to be supported.
Yes, they will continue to work without a problem. Gradle plugins can be developed in any JVM language and they interoperate well with each other as well as with build scripts written in Kotlin or Groovy.
No. Although JetBrains is the company behind IDEA and also the inventor and driving force behind Kotlin, JetBrains is also committed to providing Kotlin support for Eclipse. The IDE support for writing Gradle build logic in Eclipse will actually improve with Kotlin once we integrate the Eclipse Kotlin support into Buildship, the Gradle plugin for Eclipse.
You can develop your plugins in any JVM language, but as part of this effort, we are working on making Kotlin the language of choice for developing Gradle plugins. Stay tuned!
Gradle Related Tutorials
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