Global variable in class1 is 10 global variable in class2 is 10 ruby instance variables.
Ruby print variable.
Note that older version of ruby.
But it can show up if you try to puts a variable as the last line of a method and you re using the return value of that method.
If you want to access these environment variables from ruby there is a special object you can use.
Def numbers puts 123 end numbers nil.
For each element in the sharks array ruby assigns that element to the local variable shark.
The string or integer value to be printed is passed as an argument to this function.
This is like p but it prints big hashes arrays in a nicer way.
We can then print the element s value using puts.
The ruby print function is used to display output on the screen.
Ruby arrays are objects and they provide the each method for working with elements.
However puts automatically inserts a newline at the end of the line being printed.
Ruby has yet another printing method.
Let s discover how it works.
Note that print does not do the same.
Instance variables begin with commat.
Here s how it works.
Note in ruby you can access value of any variable or constant by putting a hash character just before that variable or constant.
You won t see for in very often though.
You can also print all the gem specific variables configuration with the gem env command.