Tutorial by Topics: java

This topic shows examples and documentation with regard to the reactive concepts of Flowable and Subscriber that were introduced in rxjava version2 the example needs rxjava2 as a dependency, the maven coordinates for the used version are: <dependency> <groupId>io.reac...

Sockets are a low-level network interface that helps in creating a connection between two program mainly clients which may or may not be running on the same machine. Socket Programming is one of the most widely used networking concepts. There are two types of Internet Protocol Traffic - 1. T...

Java in itself is an extremely powerful language, but its power can further be extended Thanks to JSR223 (Java Specification Request 223) introducing a script engine The Java Scripting API enables external scripts to interact with Java The Scripting API can enable interaction between the scr...

This is an introduction to Selenium, using Java. While we don't expect you to know anything regarding Selenium, you have to have prior Java knowledge to follow this course. Download Links : Selenium IntelliJ IDEA ChromeDriver JDK 8

The basic thing to remember here is that debugging a Hadoop MR job is going to be similar to any remotely debugged application in Eclipse. A debugger or debugging tool is a computer program that is used to test and debug other programs (the “target” program). It is greatly useful specially for a Ha...

This is one way of running selenium tests with CircleCI

Most people coming to Kotlin do have a programming background in Java. This topic collects examples comparing Java to Kotlin, highlighting the most important differences and those gems Kotlin offers over Java.

Loops considered as one of the important control structures in any programming language. There are different ways in which we can achieve loop coverage. These methods differ based on type of loop. Single loops Nested Loops Concatenated loops

Graphics are visual images or designs on some surface, such as a wall, canvas, screen, paper, or stone to inform, illustrate, or entertain. It includes: pictorial representation of data, as in computer-aided design and manufacture, in typesetting and the graphic arts, and in educational and recreati...

The java.lang.Class class provides many methods that can be used to get metadata, examine and change the run time behavior of a class. The java.lang and java.lang.reflect packages provide classes for java reflection. Where it is used The Reflection API is mainly used in: IDE (Integrated Developm...

The Java Print Service API provides functionalities to discover print services and send print requests for them. It includes extensible print attributes based on the standard attributes specified in the Internet Printing Protocol (IPP) 1.1 from the IETF Specification, RFC 2911.

This section provides an overview of what rx-java2 is, and why a developer might want to use it. It should also mention any large subjects within rx-java2, and link out to the related topics. Since the Documentation for rx-java2 is new, you may need to create initial versions of those related t...

Building and especially training a model may be easiest done in Python so how to you load and use the trained model in Java? The model can accept any number of inputs, so change the NUM_PREDICTIONS if you want to run more predictions than one. Realize that the Java is using JNI to call into th...

It sometimes happens that two languages put different meanings on the same or similar syntax expression. When the both languages are of interest for a programmer, clarifying these bifurcation points helps to better understand the both languages in their basics and subtleties.

This document shows you how you can use JavaScript in WebView. This document cover: Getting HTML from the WebView, Entering text in the text box on the website, Simulate click to click a website button await webView.InvokeScriptAsync("eval", new string[] { functionString }) - to u...

Variables are what make up most of JavaScript. These variables make up things from numbers to objects, which are all over JavaScript to make one's life much easier. var {variable_name} [= {value}]; variable_name{Required} The name of the variable: used when calling it.=[Optional] Assignm...

Top 10 Java Errors with Solutions Syntax Errors The most obvious errors one can face as a beginner are syntax errors. It’s completely fine to face such errors as you’re just starting to learn the language. You can look at syntax errors as the linguistic rules in any language. Once you start followin...

File upload is undoubtedly a core feature of many modern web apps and websites. For example, users can upload images and videos on social media websites or documents, such as CVs and resumes, on a company website. Developers need to ensure a file uploader is fast, secure, and user-friendly. One way ...