HAs-a Relationship Problem SCJPTEST

[Mohit G Gupta]

scjptest.com

What is true about has-a and is-a relationships? (Choose two)
A) Instance variables can be used when creating a has-a relationship.
B) Inheritance represents an is-a relationship.
C) Inheritance represents a has-a relationship.
D) Instances must be used when creating a has-a relationship.
Answers: A, B

So,Instances are not required for Has -a relationship

can anyone give me a Example ?

[Deepak Bala]

  
class Ship
{
private Oar = null;
}
  

A Ship has an Oar which is null. Oar does not necessarily have an instance associated with it

[Jesper de Jong]

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