JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Gradle Installation Steps


Download and unpack Gradle distributions from the Gradle web site: Gradle Downloads.

Gradle requires a Java JDK or JRE to be installed, java version 6 or higher is must. Check java version in your system by using below command:

java -version

Gradle ships with its own Groovy library, therefore Groovy does not need to be installed. Any existing Groovy installation is ignored by Gradle.

Gradle uses whatever JDK it finds in your path. Alternatively, you can set the JAVA_HOME environment variable to point to the installation directory of the desired JDK.

You must add GRADLE_HOME/bin to your PATH environment variable. "GRADLE_HOME" is the folder path where you have unpacked the gradle distribution. Here is the example to set path.

/******  In MAC OS  ******/
export PATH=$PATH:/Users/java2novice/softwares/gradle-2.1/bin

/******  In Windows OS  ******/
SET PATH=%PATH%;C:\java2novice\gradle-2.1\bin

To check if gradle is properly installed or not run "gradle -v" command, and you should get similar response as shown below:

						
------------------------------------------------------------
Gradle 2.1
------------------------------------------------------------

Build time:   2014-09-08 10:40:39 UTC
Build number: none
Revision:     e6cf70745ac11fa943e19294d19a2c527a669a53

Groovy:       2.3.6
Ant:          Apache Ant(TM) version 1.9.3 compiled on December 23 2013
JVM:          1.6.0_65 (Apple Inc. 20.65-b04-462)
OS:           Mac OS X 10.9.2 x86_64

					

Reference: Gradle Documentation

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Gradle configuration examples

  1. Gradle Installation Steps
  2. What is gradle project and task
  3. What is build.gradle file?
  4. How to avoid gradle log messages?
  5. How to define default tasks in Gradle?
  6. How to list all gradle tasks?
  7. How to list gradle project properties?
  8. How to declare a task that depends on other task?
  9. How to create dynamic tasks in Gradle?
  10. How to exclude a task in gradle?
  11. How to create java project in gradle?
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Knowledge Centre
When to use LinkedList or ArrayList?
Accessing elements are faster with ArrayList, because it is index based. But accessing is difficult with LinkedList. It is slow access. This is to access any element, you need to navigate through the elements one by one. But insertion and deletion is much faster with LinkedList, because if you know the node, just change the pointers before or after nodes. Insertion and deletion is slow with ArrayList, this is because, during these operations ArrayList need to adjust the indexes according to deletion or insetion if you are performing on middle indexes. Means, an ArrayList having 10 elements, if you are inserting at index 5, then you need to shift the indexes above 5 to one more.
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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.
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