Explore Scala, a high-level, statically typed language combining functional and object-oriented programming. Gain insights into building scalable apps used by giants like Twitter and LinkedIn.

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Learn how to program in Scala, one of the most popular programming languages in the world right now -- not just amongst developers, but even amongst massive companies like Twitter and LinkedIn.

Scala provides you the tools to build scalable programs easily and effectively. It's a statically typed, high-level language that combines functional programming and object-oriented programming into one flexible package. 

This course will help you stay ahead of the curve, make awesome, scalable apps, and learn a highly coveted new programming language. Start learning today.

Learn Scala from Scratch

Variables are used for storing data.

Decides if the variable is immutable or mutable

Declares the initial value of the variable

What role does the variable name play when declaring a variable?

What role does the variable name play when declaring a variable?

Which print statement(s) automatically displays output on the new line?

Which print statement(s) automatically displays output on the new line?

What will be the output of the following code:


```
val randomNumber: Int = 39
randomNumber = 72
println(randomNumber)
```

What will be the output of the following code:
<pre><code>val randomNumber: Int = 39
randomNumber = 72
println(randomNumber)
</code></pre>

In Scala, the general rule is to initialize the variables as ___.

In Scala, the general rule is to initialize the variables as ___.

Which subclass does the data type `Byte` come under?

Which subclass does the data type <code>Byte</code> come under?

What is the flow of Scala's type hierarchy from top to bottom?

What is the flow of Scala’s type hierarchy from top to bottom?

Which of the following is allowed in terms of type casting?

Which of the following is allowed in terms of type casting?

What are the three requirements for declaring a variable?

What are the three requirements for declaring a variable?

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In the next chapter, we will discuss operators in Scala.

In the following quiz, you will be tested on concepts you learned in this chapter.

Getting to Know Scala

Variables and Types

Operating with Operators

Strings and How to Use Them

Scala's Collection Library

Control Structures

Getting Started with Functions

Higher-Order Functions

Classes and Objects

Conclusion

Chapter Quiz