Exceptions
I/O
Graphs and BFS/DFS
Backtracking
JavaFX
GUI/MVC
100
When is an Unchecked Exception checked?
At Runtime
100
Base abstract classes performing binary based I/O
What are InputStream and OutputStream?
100
What is a graph made up of?
Nodes/Vertices and edges
100
Give an example of a puzzle you can solve with backtracking
Sudoku or N-Queens or Map Coloring, etc.
100
What is the superclass for all JavaFX components?
Node
100
What interfaces/superclasses does a GUI need to implement/extend in order to interact with
Extend Application, implement observable
200
When is a Checked Exception checked?
At compile time
200
The reason you learn I/O and Exceptions in the same
What is I/O often results in Exceptions being thrown?
200
What is an undirected graph?
A graph where all edges are bi-directional
200
What is the interface used for backtracking?
Configuration
200
What is the stage?
The main window
200
What is the Model?
The state of the world represented by code, it has no GUI elements directly
300
Try-with-resources
What is when a resource (usually IO) is created in a try block that automatically closes when the block exits?
300
Flushing a Buffer
What causes a buffer to immediately writes all the data to the output?
300
What 2 data structures other than graph are used in BFS?
Queue (Visited Set), and Predecessor Map
300
What method is used for checking if a configuration is valid or not?
isValid()
300
What method is used to build out the GUI (add components)?
start()
300
What is the View?
The part of the GUI that the user can see, and interact with.
400
What kind of exception is an Arithmetic Exception?
Unchecked Exception
400
The interface you implement to allow your class to be written to a file
What is Serializable?
400
What 2 data structures other than graph are used in DFS?
Visited Set, and Stack or Recursion
400
What method is used for seeing if the configuration is the solution?
isGoal()
400
Which JavaFX element has slots for top, bottom, left, right, and center?
BorderPane
400
What is the Controller?
Handles user input events, such as button presses or mouse movement. Accepts input and converts it to commands for the model or view.
500
What kind of exception is a FileNotFoundException?
Checked Exception
500
Create a Scanner that reads from a file named "somefile"
Scanner input = new Scanner(new File("somefile")
500
Which graph search algorithm guarantees you the shortest path?
BFS
500
What method is used for getting the next configurations?
getSuccessors()
500
Which JavaFX element lays out its children left to right that can wrap around to the next line?
FlowPane
500
What is created when a button is clicked and how should you handle it?
An ActionEvent and it should be handled by an EventHandler
600
What is the output of this function?
hello
hi
dumb
600
What is the technical definition a tree (graph)?
A Directed Acyclic Graph
600
What is the time complexity of backtracking?
Exponential (# of choices# to fill)
600
What is the code to add a button that says "click me" to a GridPane named gp at (0,0)
Button b = new Button("click me");
gp.add(b, 0, 0);
600
Draw the tree structure of the JavaFX elements that would be required to make this jeopardy website's main screen.
Stage -> Scene -> BorderPane
Top -> Hbox -> Label x5
Center -> GridPane -> Button x25