This module introduces Ruby programming fundamentals using execution sheets and flowcharts, providing beginners with a solid foundation to become proficient Ruby developers.

Become a Ruby Developer

Known for its simplicity and readability, Ruby is ideal for beginners. This course introduces core programming concepts and problem-solving techniques, providing a solid foundation in Ruby. You’ll start with basic program development, decision-making, loops, strings, and arrays, reinforced by hands-on exercises, quizzes, and coding challenges.
By the end of the module, you’ll gain essential skills that can advance your career as a Ruby developer in the tech industry.

Learn Ruby

What is the result when the following program is executed?

```ruby
for a in [9,2,5]
   print(a," ")
end
```

What is the result when the following program is executed?
<pre><code class="language-ruby">for a in [9,2,5]
 print(a,&quot; &quot;)
end
</code></pre>

What is the result when the following program is executed?

```ruby
for c in 0...3
   print(c," ")
end
```



What is the result when the following program is executed?
<pre><code class="language-ruby">for c in 0...3
 print(c,&quot; &quot;)
end
</code></pre>

On execution of the following program, what is the result?
```ruby
for i in (1..20).step(7)
   print(i," ")
end
```


On execution of the following program, what is the result?
<pre><code class="language-ruby">for i in (1..20).step(7)
 print(i,&quot; &quot;)
end
</code></pre>

What is the result when the following program is executed?

```ruby
for j in 0...4
   (print 3**j," ")
end
```

What is the result when the following program is executed?
<pre><code class="language-ruby">for j in 0...4
 (print 3**j,&quot; &quot;)
end
</code></pre>

What is the output when the following program is executed?

```ruby
num = 23
temp = 1
while num > 0
   temp = num % 10
   num /= 10
end
print(temp)
```


What is the output when the following program is executed?
<pre><code class="language-ruby">num = 23
temp = 1
while num &gt; 0
 temp = num % 10
 num /= 10
end
print(temp)
</code></pre>

What is the output when the following program is executed?

```ruby
row , col = 1 , 2
while row < 3
 while col < 4
 print("(", row, col, ")"," ")
 row += 1
 col += 1
 end
end
```

What is the output when the following program is executed?
<pre><code class="language-ruby">row , col = 1 , 2
while row &lt; 3
 while col &lt; 4
 print(&quot;(&quot;, row, col, &quot;)&quot;,&quot; &quot;)
 row += 1
 col += 1
 end
end
</code></pre>

What is the result when the following program is executed?

```ruby
for r in 1...3
    for c in 2...4
        print('+', ' ')
    end
    print('-', ' ')
end
```


What is the result when the following program is executed?
<pre><code class="language-ruby">for r in 1...3
 for c in 2...4
 print('+', ' ')
 end
 print('-', ' ')
end
</code></pre>

Test your knowledge of repetition with loops.

Ruby Basics

Loops in Ruby

Ruby Strings and Arrays

Ruby Methods

Wrap Up