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Learn Basics of Sample web.xml in java

April 7, 2022 ·  3 min read

This post covers the basics of web.xml in the java web application. Web.xml is a web deployment descriptor used for any web application written in java. Every web application that is developed in java should have this XML file in Root-Folder/WEB-INF.Web.xml is defined as part java specification. so every vendor like tomcat, JBoss, or other app servers should have to implement in their web-based frameworks.web.xml contains all the JSP, servlet configuration, filter, listener configurations....

Learn Basics of a Web server and Application Server

April 7, 2022 ·  4 min read

Application servers and web servers are two types of servers needed to know in web application development in the software world. The developer writes the piece code, packs this code as war, and deploy/host the code in these. one of the webserver or application servers, then users of the application can access the features of the application from anywhere in the world Web server basics:- Webservers are used to generate dynamic content as well as static content....

Learn Basics of Arrays tutorials with examples in java

April 7, 2022 ·  3 min read

Java Array Introduction The array is used to hold a collection of elements under a single name. Here a collection of elements are of the same type are passed. If you have a list of values to store it, without arrays, you have to declare elements, if there are 200 values, You have to declare 200 declarations. String str1="one" String str3="two" String str3="three" Instead of a multiple values declaration, Arrays store the collection of elements under a single variable name....

Junit: java unit testing framework with examples

April 7, 2022 ·  3 min read

java unit testing or JUnit Junit is a popular Java unit testing framework. Junit is developed to unit test the piece of code. What do you mean by unit testing? Unit testing is a test code written for checking the runtime errors for each function/line of a java code. Junit can be used to regress each small change so that large applications should not give errors even adding small changes....

Jenkins Basics - Continuous Integration tool

April 7, 2022 ·  2 min read

What is Jenkins:- Sun has developed Hudson for building Java projects, after the Oracle acquisition, Hudson renames Jenkins (forked code base and enhanced by adding different plugins) what is continuous integration:- In software development, when we developed any code, developers compile the code using maven and run the test cases for the code, if failure happens, we will fix the code. For each code, we need to do it manually....

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