Ruby Stars study group

In this repository you will find all the examples of the different topics, which were written during the lessons, as well as some proposed exercises together with its solutions.

Subjects

Methods

Contains examples about how to create methods, how to send data through parameters and how to use them.

More-Methods

Contains examples on how if and else work as well as additional examples on methods together with scopes.

Loops

Contains examples on the use of the instructions for and while and how to use them to move through an array to access all the elements if there is no knowledge of how many elements it contains.

Operators

Examples on how relational (comparison) operators work in numbers as well as examples on how to use assignment operators to make lines shorter (i = i + 1 -> i += 1)

Exercises

Exercises/27.9.2016

First set of additional exercises. With solutions discussed during the lesson.

General topics for solving the tasks:

• Use of loops
• Use of if statements
• Recap on arrays and operations that can be performed with them

Exercises/4.10.2016

Second set of additional exercises. Solutions added (built by coaches).

General topics for solving the tasks:

• Use of comparison and mathematical operators
• Use of loops
• Use of if statements
• Operations with arrays (check the Ruby documentation for insights and hints)

Exercises/11.10.2016

These are the proposed solutions by attendees, in class, for the exercises made on the 4.10.2016.