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Java remains a powerhouse in the programming world, consistently holding its ground among top languages. According to the 2024 Stack Overflow Developer Survey, Java ranks as the seventh most widely used language. GitHub's State of the Octoverse reports placed Java as the fourth most popular language in both 2023 and 2024. With its enduring relevance and market demand, earning a Java certification has become essential for professionals aiming to advance their careers.

There was a recent outburst in blogs on the topic of Groovy and how it compares to Java. Although I respect the youthfull entusiasim of Groovy and Co. working on this little exercise I'm just perplexed by the "WHY?" in this whole discussion. Let me just say again: W H Y ?!?! 1. Practically no one cares about Groovy (let alone Groovy++ strap-on) beyond Grails community. So this language just as "widely accepted" as Ruby (at least for enterprise software development) 2. If you know Java it's equally "challenging" to pick up either Groovy or Scala. Don't let anyone insult your intelligence by claiming that Scala syntax is somehow more complex than Groovy. In both languages you will need to adapt to functional thinking - and that's where you will have to spend a couple of weekends… 3. If you know Groovy - you already know 90% of Scala (different syntax and few extra features can be picked up in the evening) 4. Scala is designed by people who have proper academic background, experience and talent in the area of language design - Groovy has never been that way (and anyone who dares to look inside of Groovy runtime or history of changes in it will attest to that). NOTE: it did come out rather strong - but that's how I feel about it and after some thinking I'll leave as is. Nothing personal to anyone reading it… 5. Scala as a post-functional language is years ahead of Groovy (static typing with best-in-business type inference, highly tuned mix of imperative and functional styles, powerful and done-right generics, etc.) 6. Groovy will ALWAYS be slower than Scala or Java (latest benchmarks put even Groovy++ about 50 times slower than Java) just by its nature unless someone changes the language and rebuilds the runtime from the ground up. 7. Once we get decent integration with Eclipse, NetBeans and IDEA for Scala, the Groovy will lose its only serious advantage

"Eclipse BIRT is free / open source reporting engine for Java. A commercial BIRT Report Server is available from Actuate (the company behind Eclipse BIRT). While Eclipse BIRT does not provide a free/open source reporting server, the BIRT Runtime provides a simple Eclipse BIRT Web Viewer. Eclipse BIRT Web Viewer installation instructions for several Java EE application servers are here. Here I share my own experience installing Eclipse BIRT 2.6.1 Web Viewer under GlassFish 3.0.1 Java EE Application Server :"

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Learn Java even if you dont know C/C++. Practice with 600 Java Programs and 2000 MCQs to perfect your learning. Compete and win prizes/certificates.

"Support for mixed Scala/Java projects Thumb Support for mixed Scala/Java projects and any combination of Scala/Java project dependencies, allowing straightforward references from Scala to Java and vice versa. Editing Thumb A Scala editor with syntax highlighting, code completion, inferred type hovers, hyperlinking to definitions, error markers and more. Debugging Thumb Incremental compilation, application launching with integrated debugger, hyperlinking from stacktraces to Scala source, interactive console. Navigation Thumb Project and source navigation including Scala support in the Package explorer view with embedded outline, outline view, quick outline, open type, open type hierarchy."

Provide mechanisms for integrating Java security providers into Eclipse: Applications that need to implement security related functionality require cryptographic services upon which to build. Java provides the Java Cryptography Architecture (JCA) as a mechanism for installing implementations of several interfaces used for cryptography, including MessageDigest, Signature, KeyStore, Certstore, and more. In a typical Java application, these implementations reside in the extensions directory of the JRE. In a dynamic Eclipse application, the appropriate packaging mechanism is in Eclipse plug-ins. The goal is to allow JCA to be used in an Eclipse environment while maintaining the programming model of the JCA subsystem. A related goal is to expose the configuration of the JCA system via an Eclipse-based user interface, allowing authorized users to inspect and modify the Security object.

WindowBuilder Pro (also known as just WindowBuilder) is a powerful and easy to use bi-directional Java GUI designer. It is composed of SWT Designer, Swing Designer and GWT Designer and makes it very easy to create Java GUI applications without spending a lot of time writing code to display simple forms. With WindowBuilder Pro you can create complicated windows in minutes. Use the visual designer and Java code will be generated for you. You can easily add controls using drag-and-drop, add event handlers to your controls, change various properties of controls using a property editor, internationalize your app and much more.

"JSwat is a graphical Java debugger front-end, written to use the Java Platform Debugger Architecture and based on the NetBeans Platform. JSwat is open-source software and is freely available in both binary and source code form. Its features include sophisticated breakpoints; colorized source code display with code navigator; byte code viewer; movable display panels showing threads, call stack, visible variables, and loaded classes; command interface for more advanced features; and Java-like expression evaluation, including method invocation. "

"Clojure is a dynamic programming language that targets the Java Virtual Machine (and the CLR ). It is designed to be a general-purpose language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming. Clojure is a compiled language - it compiles directly to JVM bytecode, yet remains completely dynamic. Every feature supported by Clojure is supported at runtime. Clojure provides easy access to the Java frameworks, with optional type hints and type inference, to ensure that calls to Java can avoid reflection. Clojure is a dialect of Lisp, and shares with Lisp the code-as-data philosophy and a powerful macro system. Clojure is predominantly a functional programming language, and features a rich set of immutable, persistent data structures. When mutable state is needed, Clojure offers a software transactional memory system and reactive Agent system that ensure clean, correct, multithreaded designs. I hope you find Clojure's combination of facilities elegant, powerful, practical and fun to use."

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"Apache Camel is a powerful open source integration framework based on known Enterprise Integration Patterns with powerful Bean Integration. Camel lets you create the Enterprise Integration Patterns to implement routing and mediation rules in either a Java based Domain Specific Language (or Fluent API), via Spring based Xml Configuration files or via the Scala DSL. This means you get smart completion of routing rules in your IDE whether in your Java, Scala or XML editor. Apache Camel uses URIs so that it can easily work directly with any kind of Transport or messaging model such as HTTP, ActiveMQ, JMS, JBI, SCA, MINA or CXF Bus API together with working with pluggable Data Format options. Apache Camel is a small library which has minimal dependencies for easy embedding in any Java application. Apache Camel lets you work with the same API regardless which kind of Transport used, so learn the API once and you will be able to interact with all the Components that is provided out-of-the-box. Apache Camel has powerful Bean Binding and integrated seamless with popular frameworks such as Spring and Guice. Apache Camel has extensive Testing support allowing you to easily unit test your routes. Apache Camel can be used as a routing and mediation engine for the following projects: * Apache ServiceMix which is the most popular and powerful distributed open source ESB and JBI container * Apache ActiveMQ which is the most popular and powerful open source message broker * Apache CXF which is a smart web services suite (JAX-WS) * Apache MINA a networking framework"

Jackson is a: Streaming (reading, writing) FAST (measured to be faster than any other Java json parser and data binder) Powerful (full data binding for common JDK classes as well as any Java bean class, Collection, Map or Enum) Zero-dependency (does not rely on other packages beyond JDK) Open Source (LGPL or AL) Fully conformant Extremely configurable JSON processor (JSON parser + JSON generator) written in Java. Beyond basic JSON reading/writing (parsing, generating), it also offers full node-based Tree Model, as well as full OJM (Object/Json Mapper) data binding functionality.

Apache XML-RPC is a Java implementation of XML-RPC, a popular protocol that uses XML over HTTP to implement remote procedure calls. Version 3 of Apache XML-RPC is still compliant to the XML-RPC specification. However, the user may enable several vendor extensions are available, that greatly extend the power of XML-RPC: All primitive Java types are supported, including long, byte, short, and double. Calendar objects are supported. In particular, timezone settings, and milliseconds may be sent. DOM nodes, or JAXB objects, can be transmitted. So are objects implementing the java.io.Serializable interface. Both server and client can operate in a streaming mode, which preserves resources much better than the default mode, which is based on large internal byte arrays.

Robust implementation and avoid erratic delays are great benefits of Real-Time Java Platform. Aegis Software offering quality real-time application with standard java technologies and tools.