6CSN-Q3

Where are the following four methods commonly used?

1) public void add(Component c)
2) public void setSize(int width,int height)
3) public void setLayout(LayoutManager m)
4) public void setVisible(boolean)

• Graphics class

• Component class

• Both A & B

• None of the above

How many types of events are there?

• 2

• 3

• 4

• 11

 Implement the Listener interface and overrides its methods is required to perform in event handling.

• Yes

• No

• Sir din't teach

• None

Which is the container that doesn't contain title bar and MenuBars but it can have other components like button, textfield etc?

• Window

• Frame

• Panel

• Container

What is the role of the paint method in a component?

• To handle mouse clicks on the component

• To render graphics on the component using the Graphics object

• To add components to the container

• To update the layout of the container

Which method is used to draw a string in the Graphics class?

• drawString(String str, int x, int y)

• paintString(String str, int x, int y)

• writeString(String str, int x, int y)
  

• text(String str, int x, int y)

Which object is sent as parameter to setColor(_______)

• Graphics a

• Color c

• Frame f

• None

Which of the following is NOT a method of the Graphics class?

• drawLine(int x1, int y1, int x2, int y2)
  

• drawOval(int x, int y, int width, int height)

• drawPolygon(int[] xPoints, int[] yPoints, int nPoints)
  

• addComponent(Component comp)

Syntax of basic drawRectangle() method of Graphics class

What is the purpose of the Graphics class in Java AWT?

• To manage user input
  

• To draw shapes and text on components

• To handle database connections

• To create threads for multitasking