// Ex0803.java is supposed to display the value of the parameter.
public class Ex0803
{
public static void main(String args[])
{
System.out.println("\nEx0803.JAVA\n");
double pi = 3.14159;
method3(pi);
System.out.println();
}
public static void method3(int num)
{
System.out.println("Method3 displays " + num);
}
}
// Ex0806.java is supposed to display the difference of num1 - num2.
public class Ex0806
{
public static void main(String args[])
{
System.out.println("\nEx0806.JAVA\n");
double num1 = 200;
double num2 = 100;
method6(num1,num2);
System.out.println();
public static void method6(double number1, double number2)
{
double difference = number1 - number2;
System.out.println("Method6 displays " + difference);
}
}
// Ex0809.java is supposed to display the difference of num1 - num2.
public class Ex0809
{
public static void main(String args[])
{
System.out.println("\nEx0809.JAVA\n");
double num1 = 200;
double num2 = 100;
add(num1,num2);
subtract(num1,num2);
System.out.println();
}
}
class Calc
{
public static void add(double a, double b)
{
System.out.println(a + b);
}
public static void subtract(double a, double b)
{
System.out.println(a - b);
}
}
//
// Ex0812.java is supposed to display the sum and difference of and .
public class Ex0812
{
public static void main(String args[])
{
System.out.println("\nEx0812.JAVA\n");
double num1 = 200;
double num2 = 100;
System.out.println(Calc.add(num1,num2));
System.out.println(Calc.subtract(num1,num2));
System.out.println();
}
}
class Calc
{
public static void add(double a, double b)
{
return a + b;
}
public static void subtract(double a, double b)
{
return a - b;
}
}
//
// Ex0815.java is supposed to display the sum and difference of and .
public class Ex0815
{
public static void main(String args[])
{
System.out.println("\nEx0815.JAVA\n");
double num1 = 200;
double num2 = 100;
System.out.println(Calc.add(num1,num2);
System.out.println(Calc.subtract(num1,num2);
System.out.println();
}
}
class Calc
{
public static double add(double a, double b)
{
double sum = a + b;
return sum;
}
public static double subtract(double a, double b)
{
double difference = a -b;
return difference;
}
}
//
// Ex0818.java is supposed to construct a object and initialize its data.
public class Ex0818
{
public static void main(String args[])
{
System.out.println("\nEx0818.JAVA\n");
Widget w = new Widget(100);
System.out.println();
}
}
class Widget
{
private int numWidgets;
public void Widget(int n)
{
numWidgets = n;
}
}
//
// Ex0821.java is supposed to alter and display the data.
public class Ex0821
{
public static void main(String args[])
{
System.out.println("\nEx0821.JAVA\n");
Widget w = new Widget(100);
int count = 200;
w.setWidgets();
System.out.println(w.getWidgets());
System.out.println();
}
}
class Widget
{
private int numWidgets;
public Widget(int n)
{
numWidgets = n;
}
public int getWidgets()
{
return numWidgets;
}
public void setWidgets()
{
numWidgets = count;
}
}
//
// Ex0824.java is supposed to alter and display the data.
public class Ex0824
{
public static void main(String args[])
{
System.out.println("\nEx0824.JAVA\n");
int count = 200;
Widget.setWidgets(count);
System.out.println(Widget.getWidgets());
System.out.println();
}
}
class Widget
{
private int numWidgets;
public Widget(int n)
{
numWidgets = n;
}
public int getWidgets()
{
return numWidgets;
}
public void setWidgets(int n)
{
numWidgets = n;
}
}
//
// Ex0801.java is supposed to display the value of the parameter.
public class Ex0801
{
public static void main(String args[])
{
System.out.println("\nEx0801.JAVA\n");
System.out.println();
}
public static void method1(int num)
{
System.out.println("Method1 displays " + num);
}
}
//
// Ex0804.java is supposed to display the sum of the parameters.
public class Ex0804
{
public static void main(String args[])
{
System.out.println("\nEx0804.JAVA\n");
double num1 = 100;
double num2 = 200;
method4(num1);
System.out.println();
}
public static void method4(double a, double b)
{
double sum = a + b;
System.out.println("Method4 displays " + sum);
}
}
// Ex0807.java is supposed to display the difference of num1 - num2.
public class Ex0807
{
public static void main(String args[])
{
System.out.println("\nEx0807.JAVA\n");
double num1 = 200;
double num2 = 100;
method7(num1,num2);
System.out.println();
public static void method7(double number1, double number2)
{
double difference = number1 - number2;
System.out.println("Method7 displays " + difference);
}
}
}
// Ex0810.java is supposed to display the sum and difference of and .
public class Ex0810
{
public static void main(String args[])
{
System.out.println("\nEx0810.JAVA\n");
double num1 = 200;
double num2 = 100;
Calc.add(num1,num2);
Calc.subtract(num1,num2);
System.out.println();
}
}
public class Calc
{
public static void add(double a, double b)
{
System.out.println(a + b);
}
public static void subtract(double a, double b)
{
System.out.println(a - b);
}
}
//
// Ex0813.java is supposed to display the sum and difference of and .
public class Ex0813
{
public static void main(String args[])
{
System.out.println("\nEx0813.JAVA\n");
double num1 = 200;
double num2 = 100;
System.out.println(Calc.add(num1,num2));
System.out.println(Calc.subtract(num1,num2));
System.out.println();
}
}
class Calc
{
public static double add(double a, double b)
{
double sum = a + b;
}
public static double subtract(double a, double b)
{
double difference = a -b;
}
}
//
// Ex0816.java is supposed to construct a object and initialize its data.
public class Ex0816
{
public static void main(String args[])
{
System.out.println("\nEx0816.JAVA\n");
Widget w = new Widget();
w.initWidgets(100);
System.out.println();
}
}
class Widget
{
private int numWidgets;
public static void initWidgets(int n)
{
numWidgets = n;
}
}
//
// Ex0819.java is supposed to construct a object and initialize its data.
public class Ex0819
{
public static void main(String args[])
{
System.out.println("\nEx0819.JAVA\n");
Widget w = new Widget(100);
System.out.println();
}
}
class Widget
{
private int numWidgets;
private Widget(int n)
{
numWidgets = n;
}
}
//
// Ex0822.java is supposed to alter and display the data.
public class Ex0822
{
public static void main(String args[])
{
System.out.println("\nEx0822.JAVA\n");
Widget w = new Widget(100);
int count = 200;
w.setWidgets(count);
System.out.println(w.getWidgets());
System.out.println();
}
}
class Widget
{
private int numWidgets;
public Widget(int n)
{
numWidgets = n;
}
public int getWidgets()
{
return numWidgets;
}
public void setWidgets(int n)
{
numWidgets = n;
}
}
//
//
// Ex0825.java is supposed to alter and display the data.
public class Ex0825
{
public static void main(String args[])
{
System.out.println("\nEx0825.JAVA\n");
Widget w = new Widget(100);
int count = 200;
w.setWidgets(count);
System.out.println(w.getWidgets());
System.out.println();
}
}
class Widget
{
private int numWidgets;
public Widget(int n)
{
numWidgets = n;
}
private int getWidgets()
{
return numWidgets;
}
private void setWidgets(int n)
{
numWidgets = n;
}
}
//
// Ex0802.java is supposed to display the value of the parameter.
public class Ex0802
{
public static void main(String args[])
{
System.out.println("\nEx0802.JAVA\n");
method1(int num = 100);
System.out.println();
}
public static void method2(int num)
{
System.out.println("Method2 displays " + num);
}
}
// Ex0805.java is supposed to display the difference of num1 - num2.
public class Ex0805
{
public static void main(String args[])
{
System.out.println("\nEx0805.JAVA\n");
double num1 = 200;
double num2 = 100;
method5(num1,num2);
System.out.println();
}
public static void method5(double number2, double number1)
{
double difference = number2 - number1;
System.out.println("Method5 displays " + difference);
}
}
//
// Ex0808.java is supposed to display the difference of num1 - num2.
public class Ex0808
{
public static void main(String args[])
{
System.out.println("\nEx0808.JAVA\n");
double num1 = 200;
double num2 = 100;
method8();
System.out.println();
}
public static void method8()
{
double difference = num1 - num2;
System.out.println("Method8 displays " + difference);
}
}
// Ex0811.java is supposed to display the sum and difference of and .
public class Ex0811
{
public static void main(String args[])
{
System.out.println("\nEx0811.JAVA\n");
double num1 = 200;
double num2 = 100;
Calc.add(num1,num2);
Calc.subtract(num1,num2);
System.out.println();
}
}
class Calc
{
public static void add(double a, double b);
{
System.out.println(a + b);
}
public static void subtract(double a, double b);
{
System.out.println(a - b);
}
}
//
// Ex0814.java is supposed to display the sum and difference of and .
public class Ex0814
{
public static void main(String args[])
{
System.out.println("\nEx0814.JAVA\n");
double num1 = 200;
double num2 = 100;
Calc.add(num1,num2);
Calc.subtract(num1,num2);
System.out.println();
}
}
class Calc
{
public static double add(double a, double b)
{
double sum = a + b;
return sum;
}
public static double subtract(double a, double b)
{
double difference = a -b;
return difference;
}
}
//
//
// Ex0817.java is supposed to construct a object and initialize its data.
public class Ex0817
{
public static void main(String args[])
{
System.out.println("\nEx0817.JAVA\n");
Widget w = new Widget();
w.numWidgets = 100;
System.out.println();
}
}
class Widget
{
int numWidgets;
}
//
// Ex0820.java is supposed to display the data.
public class Ex0820
{
public static void main(String args[])
{
System.out.println("\nEx0820.JAVA\n");
Widget w = new Widget(100);
int count = w.getWidgets();
System.out.println(count);
System.out.println();
}
}
class Widget
{
private int numWidgets;
public Widget(int n)
{
numWidgets = n;
}
public int getWidgets()
{
System.out.println(numWidgets);
}
}
//
// Ex0823.java is supposed to alter and display the data.
public class Ex0823
{
public static void main(String args[])
{
System.out.println("\nEx0823.JAVA\n");
Widget w = new Widget(100);
int count = 200;
setWidgets(count);
System.out.println(getWidgets());
System.out.println();
}
}
class Widget
{
private int numWidgets;
public Widget(int n)
{
numWidgets = n;
}
public int getWidgets()
{
return numWidgets;
}
public void setWidgets(int n)
{
numWidgets = n;
}
}