Ruby Print Variable

Instance variables begin with commat.

Ruby print variable.

Let s discover how it works. Here s how it works. Note that print does not do the same. Using environment variables in ruby.

This is like p but it prints big hashes arrays in a nicer way. The string or integer value to be printed is passed as an argument to this function. Ruby runtime programming workflow interactive ruby our roadmap object oriented programming variables reusing variable names things on the right go first built in data types numbers strings true false and nil symbols arrays hashes. However puts automatically inserts a newline at the end of the line being printed.

Note in ruby you can access value of any variable or constant by putting a hash character just before that variable or constant. Note that older version of ruby. Ruby has yet another printing method. We can then print the element s value using puts.

For each element in the sharks array ruby assigns that element to the local variable shark. 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. You can also print all the gem specific variables configuration with the gem env command.

The ruby print function is used to display output on the screen. Global variable in class1 is 10 global variable in class2 is 10 ruby instance variables. You won t see for in very often though.