Local Variables versus Methods : Variable scope « Language Basics « Ruby

Ruby 1.  ActiveRecord 2.  Array 3.  CGI 4.  Class 5.  Collections 6.  Database 7.  Date 8.  Design Patterns 9.  Development 10.  File Directory 11.  GUI 12.  Hash 13.  Language Basics 14.  Method 15.  Network 16.  Number 17.  Rails 18.  Range 19.  Reflection 20.  Statement 21.  String 22.  Threads 23.  Time 24.  Tk 25.  Unit Test 26.  Windows Platform 27.  XML Java Java Tutorial Java Source Code / Java Documentation Java Open Source Jar File Download Java Articles Java Products Java by API C# / C Sharp C# / CSharp Tutorial ASP.Net JavaScript DHTML JavaScript Tutorial JavaScript Reference HTML / CSS HTML CSS Reference C / ANSI-C C Tutorial C++ C++ Tutorial PHP Python SQL Server / T-SQL SQL Server / T-SQL Tutorial Oracle PL / SQL Oracle PL/SQL Tutorial PostgreSQL SQL / MySQL MySQL Tutorial VB.Net VB.Net Tutorial Flash / Flex / ActionScript VBA / Excel / Access / Word Microsoft Office PowerPoint 2007 Tutorial Microsoft Office Excel 2007 Tutorial Microsoft Office Word 2007 Tutorial

Ruby » Language Basics » Variable scope   Local Variables versus Methods # If a local variable exists with the same name as a method,  # the local variable will be referenced  # unless you put parentheses behind the method or use self.methodName. def colors(arg1="blue", arg2="red")     "#{arg1}, #{arg2}" end colors = 6 print colors # The above outputs 6.    Related examples in the same category 1.  items declared in those methods are restricted to those methods. 2.  Reference an undefined variable in a method 3.  have two local variables with the same name but in different scopes 4.  using only local variables

www.java2java.com | Contact Us

Copyright 2010 - 2030 Java Source and Support. All rights reserved.

All other trademarks are property of their respective owners.