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IntelliJ IDEA Create Test Tutorial

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IntelliJ IDEA is one of the most used Java IDE. If we want to create tests for our IntelliJ project, it may not be very intuitive, so, in this tutorial we will see how to create them. For this tutorial, we will use: IntelliJ IDEA 2016.2.2 Community Edition (free and open source). Linux Mint 18. You can download the IDE ...

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JavaFX Scene Example

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This is a JavaFX Scene example. A Scene represents the visual contents of a Stage. The Scene class in the javafx.scene package represents a scene in a JavaFX program. A Scene object is attached to, at the most, one stage at a time. If an already attached scene is attached to another stage, it is first detached from the previous ...

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The Best Hadoop Analytics Solutions

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Data Analytics using Hadoop is one of the most important requirement in businesses today due to the amount of data being generated and the value the businesses can generate from this data. We will look into some of the best Hadoop Analytics Solutions available in the market which can be used for data analysis. Table Of Contents 1. Introduction 2. ...

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How to Start and Restart Tomcat Server as a Service

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Apache Tomcat is a web server and servlet container that is used to serve Java applications. A servlet is a Java technology-based Web component, managed by a container, that generates dynamic content. 1. The tools Debian based Linux distribution Microsoft Windows Java JDK Apache Tomcat 2. Introduction When you download Apache Tomcat binary distribution, you need to unzip the folder. Every time ...

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Java AWT Graphics Example

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Introduction The Java 2D API is powerful and complex. However, the vast majority of uses for the Java 2D API utilize a small subset of its capabilities encapsulated in the java.awt.Graphics class. This lesson covers the most common needs of applications developers. Most methods of the Graphics class can be divided into two basic groups: Draw and fill methods, enabling ...

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GWT AsyncCallback Example

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In previous GWT tutorials we have seen how to setup basic project, how to create GUI using GWT Widgets and few more GUI related chapters. As part of this tutorial we are going to look into how GWT Web Application interacts with a backend server. GWT provides a couple of different ways to communicate with a server via HTTP. We ...

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Git ChangeLog Example

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1. Introduction Git has been popularly used among software developers. It shows great power by its distributed nature, fast operation and branch handling mechanism. In addition, it’s very convenient for developers to work together. And this is really important for cooperating coding. Meanwhile, Github is an online web-based repository hosting service platform. It’s also quite utilized for developers to share ...

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JavaFX Stage Example

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This is a JavaFX Stage Example. A Stage in JavaFX is a top-level container that hosts a Scene, which consists of visual elements. The Stage class in the javafx.stage package represents a stage in a JavaFX application. The primary stage is created by the platform and passed to the start(Stage s) method of the Application class. You can create additional ...

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How to Install Tomcat on Ubuntu Linux

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Apache Tomcat is a web server and servlet container that is used to serve Java applications. A servlet is a Java technology-based Web component, managed by a container, that generates dynamic content. 1. The tools Ubuntu Linux 16.04 Java JDK Apache Tomcat 2. Introduction In this example we are going to install on Ubuntu Linux: Java JDK 8. Tomcat Server. We ...

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Java 8 Array to Stream Example

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1. Introduction Official javadoc of java.util.stream.Stream states that it is “A sequence of elements supporting sequential and parallel aggregate operations”. And such every Stream is backed by a source which would provide the Stream with its “sequence of elements”. In Java, like most other programming languages, sequence of elements is generally provided via two constructs: (i) the java.util.Collection instances and ...

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