Gain insights into Java programming by exploring conditional statements, loops, math, logic, inheritance, generics, and arraylists, to become an intermediate Java developer.

Learn Java for free with this interactive course, and get a handle on one of the most popular programming languages in the world.

You'll start with a simple hello world program and proceed to cover common concepts such as Conditional Statements, Loop Statements, Math, and Logic in Java, before moving on to more advanced concepts like Inheritance, Generics, and ArrayLists, along with much more.

By the time you're done, you'll be an intermediate level Java developer, ready to take on your own projects.

Learn Intermediate Java

# Problem statement
Implement a *method* in Java called *sumOfDig* which will __return__ the sum of the *digits* in an `int` variable passed to it.

## Method Prototype
```java
int sumOfDig(int var)
```
## Sample input
```java
var = 3557
```
## Sample output
```java
sum = 3 + 5 + 5 + 7 = 20
```
## Pictorial Representation



In this challenge, you will implement a method which will return the sum of digits in an integer.

Getting Started with Java!

Variables & User Input

Simple Maths & Logic

Strings and String Processing

Conditional Statements

Loops

Methods

Arrays

Classes and Inheritance

Generics

ArrayLists

Java Exam

Challenge 3: Sum of Digits in an Integer

Problem statement