Java Swing/AWT Graphics

What is the purpose of the line of code:

import java.awt.*;

• To allow you to make Random number generators

• To use an interface.

• To import a package

• To allow you to Scan from the terminal or a file.

What is a method?

• An organized and functionally based set of related interfaces and classes

• Where we type our code.

• A set of group of code that can be called for execution.

• An instance of a class

Which of the lines of code DOES NOT call a method?

• frame.setSize()

• frame.setVisible(true);

• JFrame frame;

• frame.setResizable(false);

JFrame, JPanel, JLabel, JButton are examples of ...

• methods

• classes

• interfaces

• packages

What code adds this JButton to this JPanel?

JPanel panel = new JPanel();

JButton button = new JButton();

• panel.add(button);

• button.add(panel);

• frame.add(panel);

• panel.add(JButton);

Which of the options below correctly set the background color of a JPanel called panel to the color blue? (More than one option may be correct).

• panel.setBackground(0,0,255);

• panel.setBackground(BLUE);

• panel.setBackground(new Color(0,0,255);

• panel.setBackground(Color.BLUE);

• panel.addBackgroundColor(BLUE);

How would you change the text of a label to the text contained by an integer named num;

• label.setText(num);

• label.updateText(num);

• label.setTest("num");

• label.setText(num+ "");

What object type handles Java's layouts?

• Layout Manager

• Layout Scheduler

• Layout Operator

• Layout Director

Which of the following layouts would be good to use for GUI that resembles a computer keyboard?

• Flow Layout

• Border Layout

• Grid Layout

• Null Layout

Which of the following layouts would be good to use for GUI that resembles picture frame, with a big picture on the inside and little buttons around the outside?

• Flow Layout

• Border Layout

• Grid Layout

• Null Layout