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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.
syntax - What does Class<?> mean in Java? - Stack Overflow
Nov 13, 2018 · It means, the Class reference type can hold any Class object which represents any type. If JVM loads a type, a class object representing that type will be present in JVM. we can …
css - What is the difference between the selectors ".class.class" …
Jun 30, 2013 · .class.class can also be used to avoid the use of !important in case that a higher specificity selector prevents your rule from being applied. In this case there are not two …
Angular: conditional class with *ngClass - Stack Overflow
Feb 8, 2016 · From the angular documentation: "The asterisk is "syntactic sugar" for something a bit more complicated. Internally, Angular translates the *ngIf attribute into a <ng-template> …
How to create a template function within a class? (C++)
template<typename T> class Object { public: int x; }; but is it possible to make a class not within a template, and then make a function in that class a template? Ie: //I have no idea if this is right, …
class - Understanding Python super() with __init__() methods
Feb 23, 2009 · I'm trying to understand super(). The reason we use super is so that child classes that may be using cooperative multiple inheritance will call the correct next parent class …
The difference between Classes, Objects, and Instances
Oct 8, 2015 · Class: is a “template” / “blueprint” that is used to create objects. Basically, a class will consists of field, static field, method, static method and constructor. Field is used to hold …
What does "Could not find or load main class" mean?
Aug 7, 2013 · And indeed, the "..." in the message will be the fully qualified class name that java is looking for. So why might it be unable to find the class? Reason #1 - you made a mistake with …
What is the difference between an interface and abstract class?
Dec 16, 2009 · The comparison of interface vs. abstract class is wrong. There should be two other comparisons instead: 1) interface vs. class and 2) abstract vs. final class. Interface vs Class. …
java - How do I resolve ClassNotFoundException? - Stack Overflow
Sep 9, 2016 · Let us posit a serializable class and deserializable class under same projectname. You run the serializable class, creating a serializable object in specific folder. Now you need …