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[book] [en] Pro C# 2008 and the NET 3.5 Platform Fourth Edition

// Constructor chaining.

public Motorcycle() {}

public Motorcycle(int intensity)

: this(intensity, "") {}

public Motorcycle(string name)

: this(0, name) {}



// This is the 'master' constructor that does all the real work.

public Motorcycle(int intensity, string name)

{

if (intensity > 10)



{

intensity = 10;

C H A P T E R   5  

D E F I N I N G   E N C A P S U L AT E D   C L A S S  T Y P E S



150

8849CH05.qxd  10/22/07  1:34 PM  Page 150




}

driverIntensity = intensity;

driverName = name;

}

...



}

Understand that using the this keyword to chain constructor calls is never mandatory. How-

ever, when you make use of this technique, you do tend to end up with a more maintainable and

concise class definition. Again, using this technique you can simplify your programming tasks, as

the real work is delegated to a single constructor (typically the constructor that has the most param-

eters), while the other constructors simply “pass the buck.”




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