Fill in all 20 blanks of the following program. You only have to write the numbe
ID: 3917928 • Letter: F
Question
Fill in all 20 blanks of the following program. You only have to write the number and your answer. The program is implemented to get a character from keyboard and display the character where the mouse points.
import java.awt.*;
import java.awt.event.*; import javax.___1________.*;
public class Question5 extends ______2_________ { private DisplayPanel panel = new _____3___________();
public Question5() {
add(______4____, BorderLayout.CENTER); panel.setFocusable(true);
}
/** Main method */
public static void main(String[] args) {
JFrame frame = new _____5_____________(); frame.setTitle("Question5 ");
frame._____6_______(300, 300); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLocationRelativeTo(__7_____); // Center the frame frame.setVisible(___8________);
}
class DisplayPanel extends _____9________ { private int x = 20;
private int y = 20;
private char keyChar = ' '; // Default key
public DisplayPanel() {
// Add key listener using key adapter this.addKeyListener(new _______10_____________ () {
public void keyPressed(_____11________ e) { keyChar = e.getKeyChar();
____12_______(); //call paintComponent method
} });
// Add mouse motion listener using a mouse adapter
this.addMouseMotionListener(new _____13_________() { public void mouseMoved(____14_________ e) {
x = e.getX();
y = e.__15_____();
____16_______(); //call paintComponent method
} });
} //end of DisplayPanel constructor
@Override
protected void paintComponent(____17________ g) { ____18_____.paintComponent(____19____);
g.setFont(new Font("TimesRoman", Font.PLAIN, 24));
g.drawString(String.valueOf(____20_____), x, y); //draw the input character at new mouse location }
}
} //end of DisplayPanel class
Explanation / Answer
Answer:------------
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