ruby.tar.gz

ruby

Ruby programming, a sought-after language, is known for its simplicity and readability. This course is designed for beginners and comprehensively introduces Ruby, focusing on mastering fundamental programming concepts through problem-solving techniques.

You will begin with foundational topics like systematic problem-solving and simple program development, then advance to learning decision-making, loops, strings, and arrays in Ruby. You’ll use practical exercises, quizzes, and hands-on coding challenges to strengthen your skills and build a robust understanding of Ruby programming.

After completing this course, you’ll possess valuable, in-demand skills that can significantly boost your career opportunities in the tech industry.

Learn to Code: Ruby for Absolute Beginners

What is displayed after the following program executes if the user inputs `2` and `5`, respectively?

```ruby
a = gets
b = gets
print(a+b)
```

What is displayed after the following program executes if the user inputs <code>2</code> and <code>5</code>, respectively?
<pre><code class="language-ruby">a = gets
b = gets
print(a+b)
</code></pre>

What is the result after the following program is executed?

```ruby
int1 = 19
int2 = 4
print(int1 / int2)
```

What is the result after the following program is executed?
<pre><code class="language-ruby">int1 = 19
int2 = 4
print(int1 / int2)
</code></pre>

What is the result after the following program is executed?

```text
num1 = 19
num2 = 4
num1 %= num2
print(num1 , num2)
```

What is the result after the following program is executed?
<pre><code class="language-text">num1 = 19
num2 = 4
num1 %= num2
print(num1 , num2)
</code></pre>

What is the result after the following program is executed?


```ruby
num3 = 3
num4 = 2
num3 **= num4
print(num3 , num4)
```

What is the result after the following program is executed?
<pre><code class="language-ruby">num3 = 3
num4 = 2
num3 **= num4
print(num3 , num4)
</code></pre>

What is the result after the following program is executed?


```ruby
num5 = 5
num6 = 6
num5 /= num6
print(num5 , num6)
```

What is the result after the following program is executed?
<pre><code class="language-ruby">num5 = 5
num6 = 6
num5 /= num6
print(num5 , num6)
</code></pre>

What is the result after the following program is executed?

```ruby
a = b = 34
print(a, b)
```

What is the result after the following program is executed?
<pre><code class="language-ruby">a = b = 34
print(a, b)
</code></pre>

What is the result after the following program is executed?

```ruby
c , d = 5 , 6
print(c, d)
```

What is the result after the following program is executed?
<pre><code class="language-ruby">c , d = 5 , 6
print(c, d)
</code></pre>

What is displayed after the following program is executed?
```ruby
int a = 8;
if (a > 0)
{
   print("Positive ")
   if (a % 2 == 0)
   {
      print("Even number")
   }
   else
   {
      print("Odd number")
   }
}
else
{
   print("Negative")
}
end
```

What is displayed after the following program is executed?
<pre><code class="language-ruby">int a = 8;
if (a &gt; 0)
{
 print(&quot;Positive &quot;)
 if (a % 2 == 0)
 {
 print(&quot;Even number&quot;)
 }
 else
 {
 print(&quot;Odd number&quot;)
 }
}
else
{
 print(&quot;Negative&quot;)
}
end
</code></pre>

What is the result after the following program is executed?
```ruby
a = Integer(12);
b = Integer(5);
if (a >= b)
{
   print("True")
}
else
{
   print("False")
}
end
```

What is the result after the following program is executed?
<pre><code class="language-ruby">a = Integer(12);
b = Integer(5);
if (a &gt;= b)
{
 print(&quot;True&quot;)
}
else
{
 print(&quot;False&quot;)
}
end
</code></pre>

`12` and then an error `'/': divided by 0 (ZeroDivisionError)`

What is displayed when the following code runs?
```Ruby
dividend = Integer(12)
divisor = Integer(0)
print(dividend,"\n")
quotient = Integer(dividend / divisor)
print(quotient)
```

What is displayed when the following code runs?
<pre><code class="language-Ruby">dividend = Integer(12)
divisor = Integer(0)
print(dividend,&quot;\n&quot;)
quotient = Integer(dividend / divisor)
print(quotient)
</code></pre>

About the Course

Problem Solving with Simple Programs

Decisions and Branching

Ruby Basics

Repetition with Loops

Strings and Arrays

Methods

Appendix - Complex Programs

Wrap Up

Quiz on Ruby Basics