Official Google Classroom Help Center where you can find tips and tutorials on using Google Classroom and other answers to frequently asked questions.

This article is for students. Teachers, go here. If you’re new to Classroom, this article will show you around and help you complete common tasks.

Feb 26, 2013 · What does .class mean in Java? For example, if I created a class called Print. What does Print.class return?

Trouble joining a class? I forgot or lost the class code To join a class, you just need to enter the class code once. After you join, you don’t need to enter the code again. If you forget, lose, or …

A class is a blueprint which you use to create objects. An object is an instance of a class - it's a concrete 'thing' that you made using a specific class. So, 'object' and 'instance' are the same …

The div[class^="something"] { } "starts with" selector only works if the element contains one single class, or if multiple, when that class is the first one on the left.

For naming template parameters, typename and class are equivalent. §14.1.2: There is no semantic difference between class and typename in a template-parameter. typename however …

Class variable is an attribute defined in a class of which a single copy exists, regardless of how many instances of the class exist. So all instances of that class share its value as well as its …

A mixin is a class that's designed to be used with multiple inheritance. This means we don't have to call both parent constructors manually, because the mixin will automatically call the 2nd …

May 20, 2009 · A wrapper class (as adapter) is used when the wrapper must respect a particular interface and must support a polymorphic behavior. On the other hand, a facade is used when …