Java

Template Method Design Pattern in Java — step-by-step Programming tutorial on Progressive Robot

Template Method Design Pattern in Java

URL: https://www.progressiverobot.com/template-method-design-pattern-in-java/ Template Method is a behavioral design pattern. Template Method design pattern is used to create a method stub and deferring some of the steps of implementation to the subclasses. Template Method Design Pattern Template method defines the steps to execute an algorithm and it can provide default implementation that might be common for […]

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Apache HttpClient Example - CloseableHttpClient — step-by-step Web Servers tutorial on Progressive Robot

Apache HttpClient Example – CloseableHttpClient

Apache HttpClient can be used to send HTTP requests from client code to server. In our last tutorial, we saw how to use [HttpURLConnection](/community/tutorials/java-httpurlconnection-example-java-http-request-get-post "Java HttpURLConnection Example to send HTTP GET/POST Requests") to perform GET and POST HTTP request operations from java program itself. Today we will take the same example project but use Apache […]

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¿Cómo instalar Java con Apt-Get en Ubuntu 16.04? — step-by-step Linux tutorial on Progressive Robot

¿Cómo instalar Java con Apt-Get en Ubuntu 16.04?

Java y la JVM (Máquina Virtual de Java) son ampliamente utilizados y requeridos para muchos tipos de software. Este artículo lo guiará en el proceso de instalación y gestión de diferentes versiones de Java utilizando apt-get. Para seguir este…

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Decorator Design Pattern in Java Example — step-by-step Programming tutorial on Progressive Robot

Decorator Design Pattern in Java Example

Decorator design pattern is used to modify the functionality of an object at runtime. At the same time other instances of the same class will not be affected by this, so individual object gets the modified behavior. Decorator design pattern is one of the structural design pattern (such as [Adapter Pattern](/community/tutorials/adapter-design-pattern-java "Adapter Design Pattern in […]

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Google Search from Java Program Example — step-by-step Programming tutorial on Progressive Robot

Google Search from Java Program Example

Sometime back I was looking for a way to search Google using Java Program. I was surprised to see that Google had a web search API but it has been deprecated long back and now there is no standard way to achieve this. Basically google search is an HTTP GET request where query parameter is […]

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How to Make a Minecraft Server — step-by-step Linux tutorial on Progressive Robot

How to Make a Minecraft Server

Minecraft is a popular sandbox video game. As of late 2019, it was the second best-selling video game of all time. In this tutorial, you will create your own Minecraft server so that you and your friends can play together. Specifically, you will install the necessary software packages to run Minecraft, configure the server to run, and then deploy the game.

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How To Install Apache Tomcat 9 on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Install Apache Tomcat 9 on Debian 10

Apache Tomcat is a web server and servlet container that is used to serve Java applications. Tomcat is an open source implementation of the Java Servlet and JavaServer Pages technologies, released by the Apache Software Foundation. This tutorial covers the basic installation…

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How To Install Apache Tomcat 9 on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Apache Tomcat 9 on Ubuntu 18.04

Apache Tomcat is a web server and servlet container that is used to serve Java applications. Tomcat is an open source implementation of the Java Servlet and JavaServer Pages technologies, released by the Apache Software Foundation. In this tutorial, you will install and configure Tomcat 9 on your Ubuntu 18.04 server.

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