JVM 動態腳本語言，Groovy 2.4.2/2.3.11 發布
Groovy是一種基于JVM的敏捷開發語言，它結合了Python、Ruby和Smalltalk的許多強大的特性。
Groovy 主要的特點包括：
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是一個基于Java虛擬機的敏捷動態語言。
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構建在強大的Java語言之上 并添加了從Python，Ruby和Smalltalk等語言中學到的諸多特征。
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為Java開發者提供了現代最流行的編程語言特性，而且學習成本很低（幾乎為零）。
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支持DSL（Domain Specific Languages領域定義語言）和其它簡潔的語法，讓你的代碼變得易于閱讀和維護。
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Goovy擁有處理原生類型，面向對象以及一個Ant DSL，使得創建Shell Scripts變的非常簡單。
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在開發Web，GUI，數據庫或控制臺程序時 通過減少框架性代碼 大大提高了開發者的效率。
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支持單元測試和模擬（對象），可以簡化測試。
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無縫集成 所有已經存在的 Java對象和類庫。
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直接編譯成Java字節碼，這樣可以在任何使用Java的地方 使用Groovy。
更新內容如下：
Bug 修復
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[GROOVY-3519] - Compilation error incorrectly thrown for covariant return types when original method is private
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[GROOVY-7008] - JsonOutput / Groovy JSON Builder do not escape special characters in map keys
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[GROOVY-7034] - groovydoc for package-info embeds doc within the <h2> tag -- creates malformed HTML
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[GROOVY-7045] - commands return value false is ignored
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[GROOVY-7047] - Static inner class crashes compiler when it references parent's this
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[GROOVY-7182] - Static type error when using generic methods and Closures as parameters
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[GROOVY-7191] - CompileStatic Will Not Allow Instance Method In Trait To Call Static Method
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[GROOVY-7211] - @CompileStatic: A method which has default value parameter and generic return type will cause type checking error
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[GROOVY-7242] - calling trait method inside closure causes compiler error when CompileStatic is used
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[GROOVY-7281] - IOGroovyMethods.withStream should use the stream type as the ClosureParam, not simply InputStream
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[GROOVY-7290] - Shell Does Not Accept Triple Double Quote
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[GROOVY-7299] - Cannot create two lists of length 1000
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[GROOVY-7308] - Change In MetaClass Behavior
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[GROOVY-7309] - Incorrect args processing in GroovyShell.run(Reader, String, List)
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[GROOVY-7310] - getGeneratedMethods is missing from the type checking DSL
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[GROOVY-7322] - Problem With Static Trait Methods
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[GROOVY-7324] - Incomplete generic type inference for list.property notation
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[GROOVY-7327] - TypeChecking Error when combining generic method and Java Enum
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[GROOVY-7332] - Groovysh help and doc commands should use groovy-lang.org instead of groovy.codehaus.org
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[GROOVY-7333] - Incorrect inferred type in instanceof check of array
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[GROOVY-7339] - DocGenerator doesn't understand generics placeholders
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[GROOVY-7343] - Access to java.lang.Object is forbidden
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[GROOVY-7344] - JsonSlurper parses badly formatted numbers.
改進
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[GROOVY-4136] - gapi document generation ignores access modifiers set on groovydoc
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[GROOVY-7257] - groovydoc's help option is misleading
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[GROOVY-7317] - Add primitive array sum() and sum(initialValue)
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[GROOVY-7326] - Add FileTreeBuilder
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[GROOVY-7347] - Optimize initialization of char constants
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[GROOVY-7348] - Primitive char comparisons are not optimized
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[GROOVY-7349] - Optimize foreach style loops on arrays
同時還發布了 Groovy 2.3.11 版本，此版本是個維護版本，主要是 bug 修復：
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[GROOVY-7045] - commands return value false is ignored
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[GROOVY-7047] - Static inner class crashes compiler when it references parent's this
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[GROOVY-7182] - Static type error when using generic methods and Closures as parameters
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[GROOVY-7211] - @CompileStatic: A method which has default value parameter and generic return type will cause type checking error
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[GROOVY-7308] - Change In MetaClass Behavior
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[GROOVY-7310] - getGeneratedMethods is missing from the type checking DSL
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[GROOVY-7324] - Incomplete generic type inference for list.property notation
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[GROOVY-7332] - Groovysh help and doc commands should use groovy-lang.org instead of groovy.codehaus.org
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[GROOVY-7333] - Incorrect inferred type in instanceof check of array
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[GROOVY-7343] - Access to java.lang.Object is forbidden
現已提供下載：