Kotlin M13 发布,此版本更新内容如下: Compiler daemon for faster compilation; lateinit properties to support dependency injection and other frameworks; sealed classes for expressing closed hierarchies; Specifying and checking annotation targets; Java get/set pairs are now seen as properties in Kotlin; Better type safety for Java interop: taking @NotNull annotations into account (see this blog post); Modifiers and annotations have been separated syntactically (see this blog post); Fully functional reflection on classes, functions and properties; Access to internal is now checked outside of a module (details below); New .class file layout for top-level functions and properties; and more (see below) 详细改进请看发行说明。 同时发布了 Kotlin Eclipse Plugin 0.3.0,此版本新特性: Kotlin M13 支持 查找手册 参数提示 选择 enclosing/next/previous 元素 Override/Implement action Body conversion intention Debugger: Run to cursor Debugger: Step into selection 性能提升 Kotlin 是一个基于 JVM 的新的编程语言,由 JetBrains 开发。 其主要设计目标: 创建一种兼容Java的语言 让它比Java更安全,能够静态检测常见的陷阱。如:引用空指针 让 它比Java更简洁,通过支持variable type inference,higher-order functions (closures),extension functions,mixins and first-class delegation等实现。 让它比最成熟的竞争对手Scala语言更加简单。 Kotlin M13 发布,基于 JVM 的编程语言下载地址