JSWEET CORE: Introduction to the framework in the Java library

JSWEET CORE is an open source Java class library framework, which aims to enable developers to use Java language to write front -end web applications.It provides a compiler and a runtime library for converting Java source code to JavaScript code to achieve the execution of the Java code in the web browser. The design goal of JSWEET CORE is to provide a seamless Java to JavaScript conversion experience, allowing developers to use their expertise in Java to build a cross -platform Web application.By using JSWEET CORE, developers can use the powerful functions of Java language, such as static type inspection, object -oriented programming, and extensive choices of Java libraries to develop front -end applications. The following are some of the main features of JSweet Core: 1. Java to JavaScript conversion: JSweet Core provides an efficient compiler that can convert Java source code into equivalent JavaScript code.This allows developers to write front -end applications in Java language and perform in various web browsers.The conversion process is automatic, no need to modify the code manually. 2. Type security: JSWEET CORE retains the static type inspection function of the Java language, so developers can find and repair the type related errors in time during the development process.This helps reduce the bug that may appear after compilation. 3. Java class library support: JSWEET CORE is compatible with Java's most class libraries, including Java SE, Java Ee and third -party libraries.This means that developers can develop front -end applications, such as Apache Commons, Hibernate, and Spring in the Java ecosystem, to develop front -end applications. 4. Object -oriented programming: JSweet Core fully supports Java's object -oriented programming paradigm.Developers can organize and manage their front -end applications using the concepts of class, interfaces, inheritance, polymorphisms in the Java language. 5. Lightweight runtime database: JSWEET CORE provides a lightweight running time library to support the execution and interaction of Java code.During this runtime library contains many commonly used APIs and tools, allowing developers to easily operate and control the JavaScript environment. The following is a simple example, showing how to use JSWEET CORE to write a simple web application: import static def.dom.Globals.document; import def.dom.HTMLButtonElement; public class HelloWorld { public static void main(String[] args) { HTMLButtonElement button = (HTMLButtonElement) document.createElement("button"); button.innerHTML = "Click me!"; button.onclick = (event) -> { document.getElementById("message").innerHTML = "Hello, world!"; }; document.body.appendChild(button); } } In this example, we use the `document` and` htmlbuttonelement` classes defined in the runtime library of JSWEET CORE to create a simple button and add a click event to it.When the button is clicked, the element of "Message" on the page will display "Hello, World!". In general, JSweet Core is a powerful Java to JavaScript conversion tool, providing developers with the ability to develop front -end applications using Java language.Its characteristics include Java to JavaScript conversion, type security, Java class library support, object -oriented programming and lightweight runtime database.Regardless of Java developers or front -end developers, JSweet Core is a framework worth exploring and utilizing.