1. Which of the following describes the relationship between an abstract class and its subclasses? A. has-a relationship

[answerhappygod]

1. Which of the following describes the relationshipbetween an abstract class and its subclasses?
A.
has-a relationship
B.
strong is-a relationship
C.
weak is-a relationship
D.
part-of relationship
2.
Which of the following describes the relationship between aninterface and its subclasses?
has-a relationship
strong is-a relationship
weak is-a relationship
oart-of relationship
3.
Which of the following is the method used to access the messagefrom an exception object?
getMessage
printStackTrace
getStackTrace
toString