Java 版的 Ruby 解释器 JRuby 1.7.14 发布相关介绍
来源:爱站网时间:2021-11-04编辑:网友分享
最近有几个朋友来向爱站技术小编求Java 版的 Ruby 解释器 JRuby 1.7.14 发布的相关介绍。一两句话是说不清楚的,小编采取文章的方式给大家详细的介绍一下,希望能帮助到大家。
最近有几个朋友来向爱站技术小编求Java 版的 Ruby 解释器 JRuby 1.7.14 发布的相关介绍。一两句话是说不清楚的,小编采取文章的方式给大家详细的介绍一下,希望能帮助到大家。
JRuby 1.7.14 发布 ,此版本现已提供下载:
http://www.jruby.org/download
JRuby 1.7 主要是为了兼容 Ruby 1.9.3 版本,改进记录如下:
解决了 30 个 issues
修复了 Jar 文件源潜在的内存泄漏问题
因为在 Rails 应用启动比较慢,所以默认禁用 invokedynamic
load/require 内部重构和简化
解决了一些兼容性问题
1.7.14 修复的 bug:
#1923 - String#start_with? returns false when using an empty string #1905 - Tempfile and deleteOnExit #1899 - Can't call static method on Java 8 interface #1898 - Fix the memory leak and actually close the resources. #1889 - NPE from org.jruby.java.proxies.ArrayJavaProxy.to_a #1888 - native memory leak when reading files from inside a .jar #1859 - JMX tries to double-bind a port when using bundle exec #1858 - JRuby with Java 8 4 to 10 times slower than Java 7 #1852 - JRubyClassloader seems to have a problem with file urls pointing to jar ... #1850 - embedded jars do not get loaded #1846 - Fix $LOAD_FEATURES paths for 1.8 #1818 - fix ArrayJavaProxy#to_a failure on arrays containing null #1813 - can not load resources from jar anymore with jar uri #1809 - apply minor enebo's comments #1808 - Fix BigDecimal#round behavior with NAN and INFINITY #1805 - Zlib crc improvements #1803 - Fix minor bug in `setNativeEnabled`, and expose it in ScriptingContainer #1802 - Fix Encoding::Converter#inspect output #1799 - mvn -Pall fails at the documentation step #1790 - Make Time#to_r consistent with MRI #1777 - ServerSocket#accept_nonblock returns the server's port, not the client's #1772 - avoid sub-classing ThreadLocal since it will leak in envs such as .wars #1765 - added a java_field method for use in the jrubyc command. #1762 - enhanced the java_class compiler so it can handle multiple constructors #1750 - Refactor LoadService to make use of resources #1729 - no valid struct layout for Ethon::Curl::Slist #1676 - Empty hash optimization #1580 - IO.select raises CancelledKeyException on shutdown #1520 - Date comparison as java objects #1435 - bouncy-castle-java JARs missing when warbling with JRuby 1.7.10
JRuby是面向Ruby、基于Java虚拟机(JVM)的一种解释程序,它结合了Ruby语言的简易性和功能强大的JVM的执行机制,包括与 Java库 全面集成。Rails彻底加快及简化了Web应用的开发,不过它让人觉得不够成熟,特别是在高端企业级功能方面。另一方面,Java平台及其虚拟机、库和 应用服务器的速度、稳定性和功能方面却一直在提升,现在已被公认为是开发高端服务器应用的领先平台。不过如果Java平台不与Ruby等新兴语言联系在一 起,就有可能落后于流行趋势。
示例代码:
require "java" include_class "java.util.TreeSet" include_class "com.example.CallMe" include_class "com.example.ISpeaker" puts "Hello from ruby" set = TreeSet.new set.add "foo" set.add "Bar" set.add "baz" set.each { |v| puts "value: #{v}" } cm = CallMe.new cm.hello $globalCM.hello class CallJava include ISpeaker def initialize super @count = 0 end def say(msg) puts "Ruby saying #{msg}" end def addOne(from) # m.synchronize { @count += 1 puts "Now got #@count from #{from}" # } end end
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