Exceptions
I/O
Graphs and BFS/DFS
Backtracking
JavaFX
GUI/MVC
100
When is an Unchecked Exception checked?
At Runtime
100
What are the 4 types of I/O
Reader and Writer and InputStream and OutputStream.
100
What is a graph made up of?
Nodes and edges
100
Give an example of a puzzle you can solve
Sudoku or N-Queens or Map Coloring, etc.
100
What is the superclass for all JavaFX components?
Node
100
What is the superclass called that lays out other components?
Pane
200
When is a Checked Exception checked?
At compile time
200
How is Scanner different from Reader?
Scanner doesn't do any exception handling
200
What is an undirected graph?
A graph were edges are not directed (don't have arrowheads)
200
What is the interface used for backtracking?
Configuration
200
What is the stage?
The main window
200
Which layout lays out components in 5 sections (left, right, top, bottom, center)?
BorderPane
300
What kind of exception is an Arithmetic Exception?
Checked Exception
300
What is the decorator pattern?
When an object takes in another object to expand its functionality.
300
What 3 things do you need for BFS?
Graph, 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
Which layout lays out components from left to right and top to bottom?
FlowPane
400
What kind of exception is a FileNotFoundException?
Checked Exception
400
Write the line of code to create a PrintWriter to System.out. If you can also make it so the PrintWriter auto flushes when it encounters a new line then you get double points.
PrintWriter pw = new PrintWriter(System.out, true); (true makes it autoflush)
400
What 3 things do you need for DFS?
Graph, Visited Set, and Stack or Recursion
400
What method is used for seeing if the configuration is the solution?
isGoal()
400
What method is used to process/handle Command Line Arguments?
main() or init()
400
What is the superclass for UI elements that respond to stimulus?
Control
500
What is the output of this function?
hello
hi
dumb
500
Which graph search algorithm guarantees you the shortest path?
BFS
500
What method is used for getting the next configurations?
getSuccessors()
500
What method is used after closing the application?
stop()
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 an Error and should you handle it?
No, it is not related to the program it is related to the system.
600
Why did you learn I/O and Exceptions in the same week?
I/O often results in Exceptions being thrown.
600
What is a tree?
Directed Acyclic Graph
600
What is the time complexity of backtracking?
Exponential (# of choices# to fill)
600
What were predecessors to JavaFX?
Swing or AWT (Abstract Window Toolkit)
600
What are the 3 parts of MVC and their purpose
Model: Handles the data, logic and rules
View: Handles the visual representation of the application
Controller: Responds to user interaction and performs interactions on the model (updates the model)