Arrays and ArrayLists
This is the first index number of an array. It is also the number of points you will get if you get this question wrong.
What is 0?
The keyword associated with making a new instance of an object
What is new?
You use this keyword to inherit all public attributes and methods from a parent class
What is extends?
!(true)
What is false?
Are you down with OOP? This is what OOP stands for.
What is Object Oriented Programming?
It is a collection of values with the same data type
What is an array?
The name of the constructor is always the same as the name of this
What is the class?
When a subclass has a method with the same signature as a method in the parent class.
What is overriding?
If I wanted to divide a number by 5 and find out what the remainder was, I would use this operator.
What is modulus (%) ?
I got 5 on it! 5 is an example of this data type.
What is an int?
Do you even loop? You typically use this type of loop for iterating through the elements of an array
What is a for loop?
This method is called automatically when you create an instance of a class object
What is a constructor?
You use this keyword to call a parent method or constructor from your subclass
What is super?
||
What is the OR operator?
This data type is as easy as 'a' 'b' 'c'
What is char?
You use this to get the size of an array
What is .length?
The keyword that indicates a method has no return value
What is void?
You use this keyword to implement an interface.
What is implements?
Any action within an if-else statement can be another if-else statement, and is called this
What is a nested-if?
It's what JVM stands for
What is Java Virtual Machine?
You use this to get the size of an arrayList
What is .size()?
When you have 2 methods with the same name, in the same class, but different signatures
What is overloading?
The ability to call a method on a parent class, like speak() in a Pet class, without knowing whether the Pet object is really a Cat, Dog, Ocelot, etc.
What is polymorphism?
The symbol you use to concatenate two quoted strings together
What is +?
The first home video game console
What is the Magnavox Odyssey?