Quiz

Question 1

Base Class of Java?

Answer 1

Object

Question 2

Swing Classes in Unit 2

Answer 2

JFrame, JPanel

Question 3

Describe Public and Private. What are they?

Answer 3

Public and Private are access modifiers. Public allows fields or methods to be accessed outside of the class in which it is defined. Private fields and methods only can be accessed inside the class it is defined.

Question 4

Write statement you would call to include all of the swing classes to code.

Answer 4

Import Javax.swing*;

Question 5

Which JPannel method gets called when the screen is repainted?

Answer 5

Paintcomponent

Question 6

What are the data that belong to class or object called?

Answer 6

fields

Question 7

What are code that implements the behavior of an object?

Answer 7

methods

Question 8

What arguments fillRect or fillOval

Answer 8

start x, end x, width, height.

Question 9

what are arguments of draw line method?

Answer 9

start x, start y, end x, end y

Question 10

How do you set the current color of the graphic context?

Answer 10

g.SetColor(Color)

Question 11

How do you define a Panel?

Answer 11

JPannel myPanel = new JPanel();

Question 12

How do you set a size to panel?

Answer 12

myPanel.setSize(600, 400)

Question 13

Where is the +x and +y plane?

Answer 13

Quadrant 4

Question 14

How do you set color?

Answer 14

g.setcolor(color.green);