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Java - Introduction to java applications - Tài liệu, ebook
By exploring the source code of generics processed by the Java compiler and examining the JRE reflection API source code, we will finally verify this technique using a virtual machine implementation (OpenJDK8's hotspot).
Ruby Compiler | Online Compiler
Write and run Ruby code using our Ruby online compiler & interpreter. You can build, share, and host applications right from your browser!
Online Ruby compiler and IDE - API provided by Sphere Engine - Ideone.com
Ideone is something more than a pastebin; it's an online compiler and debugging tool which allows to compile and run code online in more than 40 programming languages.