scala.tar.gz

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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

How many string interpolation methods does Scala provide?

How many string interpolation methods does Scala provide?

Strings that require further processing during run time

Strings that require further processing during compilation time

What are processed string literals?

What would the output be of the given code:

```
println(s"3 + 2 = ${3 + 2}")
```

What would the output be of the given code:
<pre><code>println(s&quot;3 + 2 = ${3 + 2}&quot;)
</code></pre>

Which Java method does the `f` string interpolator represent?

Which Java method does the <code>f</code> string interpolator represent?

What would the output be of the given code:

```
val insertSeparator = 12345678
println(f"$insertSeparator%,d")
```

What would the output be of the given code:
<pre><code>val insertSeparator = 12345678
println(f&quot;$insertSeparator%,d&quot;)
</code></pre>

`raw` recognizes escape sequences while `s` doesn't

`raw`  doesn't recognize escape sequences while `s` does

`raw`  recognizes character literals while `s` doesn't

`raw`  doesn't recognize character literals while `s` does

What is the difference between the `raw` string interpolator and the `s` string interpolator?

What is the difference between the <code>raw</code> string interpolator and the <code>s</code> string interpolator?

The `split()` method can only split at a comma `,`.

The <code>split()</code> method can only split at a comma <code>,</code>.

What encompasses multiline strings?

What would the output be of the given code:

```
val regularExp = "[a-z]{4}".r

val replaceIn = "She is four years old "

val replaced = regularExp.replaceFirstIn(replaceIn,"five")

println(replaced)
```

What would the output be of the given code:
<pre><code>val regularExp = &quot;[a-z]{4}&quot;.r

val replaceIn = &quot;She is four years old &quot;

val replaced = regularExp.replaceFirstIn(replaceIn,&quot;five&quot;)

println(replaced)
</code></pre>

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