Programming and Problem Solving with Java

711

final intPOUNDS = 10 ; // Weight in pounds

final intOUNCES = 12 ; // Additional ounces

int totOz; // Total weight in ounces

doubleuCost; // Computed cost per ounce

// Calculations

totOz = 16 * POUNDS;

totOz = totOz + OUNCES;

uCost = TOT_COST / totOz;

System.out.println("Cost per unit: "+ uCost);

}

}

8. //
   // Rectangle application
   // This application finds the perimeter and the area
   // of a rectangle, given the length and width
   //
   public classRectangle
   {
   public static voidmain(String[] args)
   {
   doublelength; // Length of the rectangle
   doublewidth; // Width of the rectangle
   doubleperimeter; // Perimeter of the rectangle
   doublearea; // Area of the rectangle

length = 10.7;
width = 5.2;
perimeter = length 2.0+ width 2.0; // Calculate perimeter
area = length * width; // Calculate area
// Print perimeter
System.out.println("The perimeter of a rectangle with length "+
length + " and width "+ width + " is "+ perimeter);
// Print area
System.out.println("The area of the rectangle is "+ area);
}
}
11.//**
// This application computes the sum and product of two integers
//**
public classSumProd
{
public static voidmain(String[] args)
{
final intINT2 = 8 ;
final intINT1 = 20 ;