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This article mainly explains "what are the Java projects". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what are the Java projects"?

1. JUnit

JUnit is a unit testing framework for the Java language. Founded by Kent Beck and Erich Gamma, it has gradually become the most successful xUnit family of sUnit from Kent Beck. JUnit has its own JUnit extended biosphere.

Most Java development environments have integrated JUnit as a unit testing tool.

2. Eclipse

Eclipse is a famous cross-platform free integrated development environment (IDE). Originally mainly used for Java language development, but now there are plug-ins to make it a development tool for other computer languages such as C++ and Python.

3. Spring

Spring Framework is an open source Java/Java EE full-function stack (full-stack) application framework, released under an Apache license, as well as a portable version on the .NET platform. The framework is based on the code in the book Expert One-on-One Java EE Design and Development (ISBN 0-7645-4385-7) and was originally developed by Rod Johnson and Juergen Hoeller. Spring Framework provides an easy way to develop, which will avoid a large number of property files and helper classes that may cause the underlying code to become cluttered.

4. Solr

Apache Solr is an open source search server. Solr is developed in Java language and is mainly based on HTTP and Apache Lucene. Resources stored in Apache Solr are stored with Document as the object. Each document consists of a series of Field, and each Field represents an attribute of the resource. Each Document in Solr needs an attribute that identifies itself. By default, the name of this attribute is id, which is described by: id in the Schema configuration file.

5. Hudson and Jenkins

The predecessor of Jenkins is Hudson, a scalable continuous integration engine.

Mainly used for:

1. Continuously and automatically build / test software projects such as CruiseControl and DamageControl.

two。 Monitor some scheduled tasks.

6. Hadoop

Hadoop is not just a distributed file system for storage, but a framework designed to execute distributed applications on a large cluster of general-purpose computing devices.

The following figure shows the architecture of Hadoop:

7. Android

The Open Mobile Alliance, a group of more than 30 technology and mobile companies, has developed Android,Android as a complete, open and free mobile platform.

Thank you for your reading, the above is the content of "what is the Java project?" after the study of this article, I believe you have a deeper understanding of what the Java project has, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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