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I got this code from Niko's Blog.
Answer to above question is :
 Hey you Josh Childress!
According to my knowledge, person object created don have an property called fullName, then how such a result is possible, what am i missing here?
 
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According to my knowledge, person object created don have an property called fullName


It actually has a property fullName because there is a setFullName() and a getFullName() method. That it modifies the instance variable with the name name doesn't matter (check also: JavaBeans conventions)
 
It is sorta covered in the JavaRanch Style Guide.
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