Page 284 - Introduction to Programming with Java: A Problem Solving Approach

250 Chapter 7 Object-Oriented Programming—Additional Details
1 /***************************************************************
2 *
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Car.java
Dean & Dean
This class implements copy functionality for a car.
***************************************************************/
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public class Car
9{
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private String make;
private int year;
private String color;
*
// car's make
// car's manufacturing year
// car's primary color
//************************************************************
public void setMake(String make)
{
}
this.make = make;
public void setYear(int year)
{
this.year = year;
Apago PDF Enhancer
public void setColor(String color)
}
{
}
this.color = color;
//************************************************************
public Car makeCopy()
{
Car car = new Car();
car.make = this.make;
car.year = this.year;
car.color = this.color;
return car;
// end makeCopy
This instantiates a new object.
This returns a reference to the new object.
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}
// end class Car
}
//************************************************************
public void display()
{
}
System.out.printf("make= %s\nyear= %s\ncolor= %s\n",
this.make, this.year, this.color);
// end display
Figure 7.2 Car class with makeCopy method that returns a reference to copy of calling object