Explanation of Solution
a.
Program:
//import required packages
import javax.swing.*;
import java.awt.*;
//create a class that extends JApplet
public class drawRect extends JApplet {
//init method
public void init() {
//to set the background color to white
getContentPane().setBackground(Color.white);
}
//paint method and g is the Graphics' object
public void paint(Graphics g) {
//calling the superclass
super...
Explanation of Solution
b.
Program:
//import required packages
import javax.swing.*;
import java.awt.*;
//create a class that extends JApplet
public class fillrect extends JApplet {
//init method
public void init() {
//to set the background color to white
getContentPane().setBackground(Color.white);
}
//paint method and g is the Graphics' object
public void paint(Graphics g) {
//calling the superclass
super...
Explanation of Solution
c.
Program:
//import required packages
import javax.swing.*;
import java.awt.*;
//create a class that extends JApplet
public class drawoval extends JApplet {
//init method
public void init() {
//to set the background color to white
getContentPane().setBackground(Color.white);
}
//paint method and g is the Graphics' object
public void paint(Graphics g) {
//calling the superclass
super.paint(g);
//drawing the oval and the enclosing rectangle
g...
Explanation of Solution
d.
Program:
//import required packages
import javax.swing.*;
import java.awt.*;
//create a class that extends JApplet
public class drawline extends JApplet {
//init method
public void init() {
//to set the background color to white
getContentPane().setBackground(Color.white);
}
//paint method and g is the Graphics' object
public void paint(Graphics g) {
//calling the superclass
super.paint(g);
//drawing a red line from (0,6) to (160,175)
g...
Explanation of Solution
e.
Program:
//import required packages
import javax.swing.*;
import java.awt.*;
//create a class that extends JApplet
public class drawstrings extends JApplet {
//init method
public void init() {
//to set the background color to white
getContentPane().setBackground(Color.white);
}
//paint method and g is the Graphics' object
public void paint(Graphics g) {
//calling the superclass
super.paint(g);
//drawing the strings with the specified font
g...
Explanation of Solution
f.
Program:
package sample;
//import required packages
import javax.swing.*;
import java.awt.*;
//create a class that extends JApplet
public class polygon extends JApplet {
//init method
public void init() {
//to set the background color to white
getContentPane().setBackground(Color.white);
}
//paint method and g is the Graphics' object
public void paint(Graphics g) {
//calling the superclass
super.paint(g);
//declare an array for coordinates
int []xcords={10,10,50,50};
int []ycords={10,25,25,10};
//drawing the filled polygon
g...
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Starting Out with Java: From Control Structures through Objects (6th Edition)
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