When you declare a variable that refers to an object of a given class, you are creating a(n) _________ to the object.

An ADT’s operations are also known as its _______.

In the following list:John, Kate, Fred, Mark, Jon, Adam, Drewwhich element does not have a predecessor? 

The last node in a linear linked list ________.

How many constructors can a class have?

What does it mean for the return type of a method to be void?

Which of these is not a legal Java identifier?

Using the flight map below and a stack, determine if a flight path exists from city  H to city I.  Write your answer in the textbox below.  It is only necessary for your answer to show one route, if it exists.  Show the state of the stack after each step. (2 points)   For example if the question asked: Does a flight path exist from city C to city G? Your answer could be written like this: Yes a path from city C to city G exists, the resulting stacks are C, DC, HDC, GHDC.  

The factorial of n is equal to ______.

An algorithm is a computer program written in a high=level programming language such as Java.