There are many similarities between C++ and Ruby, some of them are:
Just like C++, in Ruby…
Difference between Ruby and C++.
|In Ruby, every variable is just an automatically dereferenced name for some object which means that there is no explicit references in Ruby.||Unlike Ruby there is explicit references in C++.|
|Objects are strongly but dynamically typed in Ruby.||Objects are not strongly typed as that in Ruby.|
|The “constructor” is called initialize instead of the class name.||This is not the case in C++.|
|Array and Hash are only two container types.||There are many container types in C++.|
|There’s no need of C++ templates. No casting either required.||C++ templates are necessary here. Casting is there.|
|It’s self instead of this.||It is this instead of self.|
|Iteration is done a bit differently. In Ruby, you don’t use a separate iterator object. Instead you use an iterator method of the container object that takes a block of code to which it passes successive elements.||Vectors are required and used in C++ which makes the coding easy.|
|lib, a unit testing, comes standard with Ruby.||This is not available with C++.|
|There’s no type conversions in Ruby.||Type conversion is necessary in C++.|
|There are some enforced case-conventions.||No such case conventions are present in C++ which makes it easy.|
|You can re-open a class anytime and also you can add more methods in Ruby.||We cannot do this in C++.|
|Some methods end in a ’?’ or a ’!’ in Ruby. It’s actually part of the method name.||No such symbols are required at the end of methods in C++.|
|All methods are always virtual in Ruby.||Methods are not virtual in C++.|
|Multithreading is built-in, but as of Ruby 1.8 they are “green threads” as opposed to native threads.||Multithreading is not built-in in case of C++.|
|Parentheses used for calling of method are usually optional in Ruby.||Parentheses are required in C++ and it is necessary.|
|You don’t directly access member variables—all access to public member variables is via methods.||Member variables in C++ can be access directly.|
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