Java Illiterate - very new to this!

[Bucs44]

I'm new to programming and I'm trying to understand something. I have to write an additional subclass from the code below. Attributes I need to use are for a Rowboat, specifically type of material (wood, fiberglass, inflatable) and oartype (paddles, metal or wood). I then have to Include accessor methods for the new class, a tellAboutSelf method that overrides then invokes the superclass method, and a tester program that tests the class.

Can anyone help me to sort this out? I'm lost! and don't know how to proceed

// Sailboat -- a subclass of abstract class Boat that
// overrides tellAboutSelf method in superclass

public class Sailboat extends Boat
{
// additional attributes beyond those inherited from Boat
private double MaterialType;
private int noSails;
private String motorType;

// constructor
public Sailboat(String aStateRegistrationNo, double aLength,
String aManufacturer, int aYear, double aKeelDepth,
int aNoSails, String aMotorType)
{
// invoke super class constructor
super(aStateRegistrationNo, aLength, aManufacturer, aYear);

// set subclass attribute values
setKeelDepth(aKeelDepth);
setNoSails(aNoSails);
setMotorType(aMotorType);
}

// custom method overrides superclass method
public String tellAboutSelf()
{
// invokes four superclass get methods
String allDetails;
allDetails = "This is a sailboat "
+ getStateRegistrationNo() + " " // invoke Boat method
+ getLength() + " " // invoke Boat method
+ getManufacturer() + " " // invoke Boat method
+ getYear() + " " // invoke Boat method
+ keelDepth + " "
+ noSails + " "
+ motorType;
return allDetails;
}
// set accessor methods
public void setKeelDepth(double aKeelDepth)
{ keelDepth = aKeelDepth; }
public void setNoSails(int aNoSails)
{ noSails = aNoSails; }
public void setMotorType(String aMotorType)
{ motorType = aMotorType; }

// get accessor methods
public double getKeelDepth()
{ return keelDepth; }
public int getNoSails()
{ return noSails; }
public String getMotorType()
{ return motorType; }
}

[r035198x]

I'm new to programming and I'm trying to understand something. I have to write an additional subclass from the code below. Attributes I need to use are for a Rowboat, specifically type of material (wood, fiberglass, inflatable) and oartype (paddles, metal or wood). I then have to Include accessor methods for the new class, a tellAboutSelf method that overrides then invokes the superclass method, and a tester program that tests the class.

Can anyone help me to sort this out? I'm lost! and don't know how to proceed

// Sailboat -- a subclass of abstract class Boat that
// overrides tellAboutSelf method in superclass

public class Sailboat extends Boat
{
// additional attributes beyond those inherited from Boat
private double MaterialType;
private int noSails;
private String motorType;

// constructor
public Sailboat(String aStateRegistrationNo, double aLength,
String aManufacturer, int aYear, double aKeelDepth,
int aNoSails, String aMotorType)
{
// invoke super class constructor
super(aStateRegistrationNo, aLength, aManufacturer, aYear);

// set subclass attribute values
setKeelDepth(aKeelDepth);
setNoSails(aNoSails);
setMotorType(aMotorType);
}

// custom method overrides superclass method
public String tellAboutSelf()
{
// invokes four superclass get methods
String allDetails;
allDetails = "This is a sailboat "
+ getStateRegistrationNo() + " " // invoke Boat method
+ getLength() + " " // invoke Boat method
+ getManufacturer() + " " // invoke Boat method
+ getYear() + " " // invoke Boat method
+ keelDepth + " "
+ noSails + " "
+ motorType;
return allDetails;
}
// set accessor methods
public void setKeelDepth(double aKeelDepth)
{ keelDepth = aKeelDepth; }
public void setNoSails(int aNoSails)
{ noSails = aNoSails; }
public void setMotorType(String aMotorType)
{ motorType = aMotorType; }

// get accessor methods
public double getKeelDepth()
{ return keelDepth; }
public int getNoSails()
{ return noSails; }
public String getMotorType()
{ return motorType; }
}

What do you think should be done? Post your own ideas/attempt first.