Learn the syntax, data types, and operations essential for programming in Scala

Become a Scala Developer

In this module, we will learn Scala from the ground up. This module aims to teach us how to write basic programs, assuming we have no prior knowledge of the language. We will start with a brief introduction to Scala to understand its functionality and applications. We will then move discuss the key features and functions of the language (data types, functions, classes, etc.) in detail. In the end, we will have all the basic knowledge of how to program in Scala.

Learn Scala from Scratch

## Problem Statement

In this challenge, you need to create a nested function `max` which will be defined in the body of the function `mainMax`. `mainMax` returns the maximum of three numbers using the `max` function.

You will need to write the `max` function from scratch. Take some time and try to figure out how many parameters it should have and what the return value will be. You will also need to figure out what `mainMax` will return. Remember how in the previous lesson `sqrt` was returning the return value of `sqrtIter`.

### Input

The inputs of the `mainMax` function are three numbers `a`, `b`, and `c` of type `Int`.


### Output
The output will be the maximum of `a`, `b`, and `c`.

### Sample Input
```
(1,9,5)
```

### Sample Output
```
9
```
### Test Yourself

Write your code in the given area. Try the exercise by yourself first, but if you get stuck, the solution has been provided. Good luck!

# Problem Statement

In this challenge, you need to create a nested function `max` which will be defined in the body of the function `mainMax`. `mainMax` returns the maximum of three numbers using the `max` function.

You will need to write the `max` function from scratch. Take some time and try to figure out how many parameters it should have and what the return value will be. You will also need to figure out what `mainMax` will return. Remember how in the previous lesson `sqrt` was returning the return value of `sqrtIter`.

## Input

The inputs of the `mainMax` function are three numbers `a`, `b`, and `c` of type `Int`.


## Output
The output will be the maximum of `a`, `b`, and `c`.

## Sample Input
```
(1,9,5)
```

## Sample Output
```
9
```
## Test Yourself

Write your code in the given area. Try the exercise by yourself first, but if you get stuck, the solution has been provided. Good luck!

Test yourself and implement what you have learned so far in this challenge.

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

Challenge: Max with Nested Functions

Problem Statement