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(A). Write an application that extends JPanel and displays a pharse in large font. Each time...

(A). Write an application that extends JPanel and displays a pharse in large font. Each time the user clicks a JButton, display the same pharse in a different color, a little further to the right, and in a slightly smaller font. Allow only three clicks…Save the file as JChangeSizeAndColorPanel.java

(B). Modify the JChangeSizeAndColorPanel application so that it continuously changes the size, color, and location of phrase as long as the user continues to click the button. Save file as JChangeSizeAndColorPanel2.java

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Answer: a) JChangeSizeAndColorPanel.jav:a import javax.swing. import java.awt.*; import java. awt.Color; import java.awt.evenfont new Font (Helvetica, Font. ITALIC, size); gh.setFont (font); gh.setColor (color)i gh.drawstring (phrase, xPosition, YPOutput: Click here Fortune favors the bold Click here Fortune favors the boldClick here Fortune favors the bold Click here Fortune favors the boldb) JChangeSizeAndColorPanel2.java import javax . swing. import java.awt.*; import java. awt.Color; import java.awt.event.*; psuper.paintcomponent (gh); font new Font (Helvetica, Font. ITALIC, size); gh.setFont (font); gh.setColor (color)i gh.drawstfrm.add (new JChangeSizeAndColorPanel2 ()) frm.setsize (600, 200) frm. setVisible (true) frm. setDefaultcloseOperation (JFramClick here Fortune favors the bold Click here Fortune favors the boldClick here Fortune favors the bold

Editable code:

a) JChangeSizeAndColorPanel.java

import javax.swing.*;

import java.awt.*;

import java.awt.Color;

import java.awt.event.*;

public class JChangeSizeAndColorPanel extends JPanel implements ActionListener {

    String phrase = new String("Fortune favors the bold");

    int countClks = 0;

    int xPosition = 10;

    final int YPosition = 120;

    int size = 40;

    JButton Btn = new JButton("Click here");

    Font font;

    Color color;

    final int CHANGE = 8;

    final int MOVE_TO_RIGHT = 100;

    final int MAX_CLICKS = 3;

    public JChangeSizeAndColorPanel() {

        setBackground(Color.WHITE);

        add(Btn);

        Btn.addActionListener(this);

    }

    @Override

    public void paintComponent(Graphics gh) {

        super.paintComponent(gh);

        font = new Font("Helvetica", Font.ITALIC, size);

        gh.setFont(font);

        gh.setColor(color);

        gh.drawString(phrase, xPosition, YPosition);

    }

    @Override

    public void actionPerformed(ActionEvent e) {

        if (countClks == 0) {

            color = Color.RED;

        } else {

            if (countClks == 1) {

                color = Color.BLUE;

            } else {

                if (countClks == 2) {

                    color = Color.GREEN;

                }

            }

        }

        countClks++;

        size -= CHANGE;

        xPosition += MOVE_TO_RIGHT;

        if (countClks <= MAX_CLICKS) {

            repaint();

        }

    }

    public static void main(String[] args) {

        JFrame frm = new JFrame();

        frm.add(new JChangeSizeAndColorPanel());

        frm.setSize(600, 200);

        frm.setVisible(true);

        frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    }

}

b) JChangeSizeAndColorPanel2.java

import javax.swing.*;

import java.awt.*;

import java.awt.Color;

import java.awt.event.*;

public class JChangeSizeAndColorPanel2 extends JPanel implements ActionListener

{

   String phrase = new String("Fortune favors the bold");

   int countClks = 0;

   final int ST_X = 10;

   int xPosition = ST_X;

   final int YPosition = 120;

   final int ST_SIZE = 40;

   int size = ST_SIZE;

   JButton Btn = new JButton("Click here");

   Font font;

   Color color;

   final int CHANGE = 8;

   final int MOVE_TO_RIGHT = 100;

   final int MAX_CLICKS = 3;

   public JChangeSizeAndColorPanel2()

   {

      setBackground(Color.WHITE);

      add(Btn);

      Btn.addActionListener(this);

   }

   @Override

   public void paintComponent(Graphics gh)

   {

      super.paintComponent(gh);

      font = new Font("Helvetica", Font.ITALIC, size);

      gh.setFont(font);

      gh.setColor(color);

      gh.drawString(phrase, xPosition, YPosition);

   }

@Override

   public void actionPerformed(ActionEvent e)

   {

      if(countClks == 0)

         color = Color.RED;

      else

         if(countClks == 1)

            color = Color.BLUE;

         else

            if(countClks == 2)

              color = Color.GREEN;

      countClks++;

      size -= CHANGE;

      xPosition += MOVE_TO_RIGHT;

      if(countClks > MAX_CLICKS)

      {

          color = Color.BLACK;

          xPosition = ST_X;

          size = ST_SIZE;

          countClks = 0;

      }       

      repaint();

   }

   public static void main(String[] args)

   {

        JFrame frm = new JFrame();

        frm.add(new JChangeSizeAndColorPanel2());

        frm.setSize(600, 200);

        frm.setVisible(true);

        frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

   }

}

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