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

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 delete the …

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 thing, but the …

Jun 11, 2015 · 25 The ::class is a special keyword, which is provided by PHP to get the fully qualified class name. See the official PHP documentation about ::class.

However, what stumps me is the usage of Class<>. The java class Class is supposed to also take a template name, (or so I'm being told by the yellow underline in eclipse). I don't understand what I …

A good use of a static class is in defining one-off, utility and/or library classes where instantiation would not make sense. A great example is the Math class that contains some mathematical constants such …

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 is possible in …

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 one …

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 constructor for …