JAVA EXAMPLE PROGRAMS

How to list all gradle tasks?

You can use gradle tasks to list the tasks of a project. This will let you see the tasks that the Java plugin has added to your project. Here is a simple build.gradle file for an example:

defaultTasks 'clean', 'run'
						
task clean << {
        println 'Default Task - Cleaning!'
}
task run << {
        println 'Default Task - Running!'
}
task mySpecTask << {
        println "I'm not a default task!"
}

Run "gradle tasks"

java2novice$ gradle tasks
:tasks

------------------------------------------------------------
All tasks runnable from root project
------------------------------------------------------------

Default tasks: clean, run

Build Setup tasks
-----------------
init - Initializes a new Gradle build. [incubating]
wrapper - Generates Gradle wrapper files. [incubating]

Help tasks
----------
components - Displays the components produced by root project 'gradle_tests'.
dependencies - Displays all dependencies declared in root project 'gradle_tests'.
dependencyInsight - Displays the insight into a specific dependency in root 
					project 'gradle_tests'.
help - Displays a help message
projects - Displays the sub-projects of root project 'gradle_tests'.
properties - Displays the properties of root project 'gradle_tests'.
tasks - Displays the tasks runnable from root project 'gradle_tests'.

Other tasks
-----------
clean
mySpecTask
run

To see all tasks and more detail, run with --all.

Reference: Gradle Documentation

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Gradle configuration examples

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What is fail-fast in java?

A fail-fast system is nothing but immediately report any failure that is likely to lead to failure. When a problem occurs, a fail-fast system fails immediately. In Java, we can find this behavior with iterators. Incase, you have called iterator on a collection object, and another thread tries to modify the collection object, then concurrent modification exception will be thrown. This is called fail-fast.

Famous Quotations

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

-- William Arthur Ward

Few Random Java Examples

About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.