Ruby Thread, Ruby Statements, and Multiple Threading

Ruby ThreadThe Ruby computer programming language was first created in the mid-1990s and has since grown greatly in popularity among programmers. As a computer programming language, Ruby is relatively easy to learn, reliable, stable and secure. Together with its web application development technology Ruby on Rails, Ruby provides a quick, simple and easy platform for creating a wide variety of computer programs. Udemy can help you learn about this and other Ruby related topics in a relatively short amount of time with its Ruby on Rails beginners course.

Ruby itself is what’s known in the computer programming world as an “object-oriented program,” or OOP. Object-oriented programming languages make use of objects created in their lines of code that are manipulated by their user and that carry out the tasks the programs were designed to perform. To create all the objects, classes, and modules in Ruby that carry out tasks, data or code must first be entered and changed into objects. In Ruby, Threads are part of all the activity going on in the program as its being written or run.

A Ruby Thread is a very useful facet of the Ruby language because unlike most computer programs that rely on single threads that execute code to carry out actions Ruby allows for multi-threaded programs, which are much more efficient. But what is a Ruby Thread, exactly?

The Ruby Thread

A Ruby Thread is more familiarly known as a “thread of execution.” Many OOP and other computer programs rely on threads of code such as statements to tell them what to do. A Ruby statement is what it says it is: a statement that gives direction or purpose or direction to the line of code that, when stacked on top of other threads of statements, propels the program.  Here’s an example of a statement in Ruby:

name = "April"
if name == "April"
puts "Hello April"
end

The example above is an “If” statement. And there are many different types and kinds of statements that can make up Ruby Threads. Udemy offers a very useful beginners Ruby programming course that thoroughly explains the relationship between statements and thread. In Ruby, multiple threads of execution can also run in parallel or at the same time, unlike in more traditional single-thread computer programs. 

Ruby Thread and Ruby Interpreter

All Ruby Threads of execution are implemented or put into operation within Ruby’s interpreter or translator. Ruby offers a huge library of prewritten standard objects and other useful code implementation tools, including a variety of interpreters. In Ruby and most other computer programming languages, inputted data must be run through an interpreter or translator to be usable within the program. There’s much more that goes into the relationship between Ruby Threads, statements and an interpreter and Udemy.com offers a useful basic Ruby and Ruby on Rails programming course that explains the entire relationship.

One of the more attractive aspects of Ruby is that all threads of execution or sequence of Ruby statements are fully implemented within a Ruby program’s interpreter. Because a Ruby Thread is implemented within the particular Ruby-based program’s interpreter it’s completely portable, meaning it doesn’t rely on the computer’s operating system itself.  Here’s an example of a Ruby Thread:

# Thread #1 is running here
Thread.new {
# Thread #2 runs this code
}

# Thread #1 runs this code

Here’s an example of a multi-threaded Ruby program:

#!/usr/bin/ruby
def func1
   i=0
   while i<=2
      puts "func1 at: #{Time.now}"
      sleep(2)
      i=i+1
   end
end
def func2
   j=0
   while j<=2
      puts "func2 at: #{Time.now}"
      sleep(1)
      j=j+1
   end
end
puts "Started At #{Time.now}"
t1=Thread.new{func1()}
t2=Thread.new{func2()}
t1.join
t2.join
puts "End at #{Time.now}"

Once the threads of execution or Ruby Threads above have been inputted Ruby will deliver the following result:

Started At Wed May 14 08:21:54 -0700 2008
func1 at: Wed May 14 08:21:54 -0700 2008
func2 at: Wed May 14 08:21:54 -0700 2008
func2 at: Wed May 14 08:21:55 -0700 2008
func1 at: Wed May 14 08:21:56 -0700 2008
func2 at: Wed May 14 08:21:56 -0700 2008
func1 at: Wed May 14 08:21:58 -0700 2008
End at Wed May 14 08:22:00 -0700 2008

Ruby Thread and Thread.new

New Ruby Threads or threads of execution are created in the program with Thread.new, which is one of a multitude of methods in Ruby. Thread.new does all the work necessary to implement all the statements that make of Ruby Threads that end up as threads of execution created by Thread.new. Other Ruby Thread-related methods include Thread.kill, Thread.pass, Thread.exit and Thread.start and Thread.stop and all exist to create, control and end or terminate the Ruby Thread or multiple-threads running in a Ruby program.

Udemy offers several very useful Ruby programming courses that range from basic beginner all the way up to a number of advanced Ruby programming techniques and topics. Ruby Thread itself is a basic concept in Ruby, a computer programming language that open source or free for anyone to use and even to configure as it suits them. Ruby is also a programming language designed entirely to make it useful on the World Wide Web and its Ruby on Rails web application development technology has spawned many useful online web entities including Twitter and Basecamp. A Ruby on Rails beginner’s course paired with a beginners Ruby programming course would make for a perfect start in entering the world of computer programming.