價格：免費
檔案大小：7.5 MB
版本需求：需要 iOS 12.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
This application aims to develop IT personnel, and supports qualification acquisition.
The target version is Ruby2.1.x to support the qualification range.
There are 100 questions in all.
Every question has a detailed and easy-to-understand answer.
We meet a wide range of needs from students to engineers working in the field.
【Learning support scope】
Grammar
·comment
・ Literal (number, boolean, string, character, array, hash etc)
・ Variable / constant and scope
·operator
・ Conditional branch
·loop
・ Exception handling
・ Method call
·block
・ Method definition
・ Class definition
・ Module definition
·Multilingual
・ Embedded library
Class, module
・Object, Numeric class, String, Array, Hash, Kernel, Enumerable, Comparable, etc.
Object-oriented
·polymorphism
・ Inheritance
・ Mix-in
Aiming for a special engineer!
支援平台：iPhone, iPad