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What is Encapsulation? A . Encapsulation is a technique to define different methods of same type. B . Encapsulation is the ability of an object
What is Encapsulation?
A Encapsulation is a technique to define different methods of same type.
B Encapsulation is the ability of an object to take on many forms.
C Encapsulation is the technique of making the fields in a class private and
providing access to the fields via public methods.
D None of the above.
The relationship between an interface and the class that implements it is:
A Inheritance
B Aggregation
C Composition
D None
What is NullPointerException?
A A NullPointerException is thrown when calling the instance method of a null
object or modifyingaccessing field of a null object.
B A NullPointerException is thrown when object is set as null.
C A NullPointerException is thrown when object property is set as null.
D None of the above.
Which of the following stands true about default modifier of class members?
A By default, variables, methods and constructors can be accessed by subclass
only.
B By default, variables, methods and constructors can be accessed by any class
lying in any package.
C By default, variables, methods and constructors can be accessed by any class
lying in the same package.
D None of the above.
Which of the following is true about private access modifier?
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