Regarding class constructors, answer questions by choosing a code as listed: Q10

Question

Regarding class constructors, answer questions by choosing a code as listed: Q10.1 What is a default constructor? Answer in Line(I) Q10.2 What are the purposes of class constructors? Answer in Line (2) Q10.3 Why at times you need to include several constructors? Answer in Line(3) Select answer codes for above questions and write down the answer code (A,B,C...) to ANS: Line(I) Linel2) Line(3) below A: a default constructor is the constructor without parameters within the parentheses B: a default constructor is the constructor with at least one parameter within the parentheses C: constructor(s) is used to help the super class (base class) to setup initial values for instance variable(s) D: constructor(s) is used to make the designing of base class (super class) more easily

Explanation / Answer

Solution:

10.

Answer in Line(1)- A:A default constructor is the constructor is the without within the parentheses.
Answer in Line(2)- E:Constructor(s) is used to intialize the instance variable(s) with specific values of variety of instance variable combinations form a driver class.
Answer in Line(3)- F:Constructor(s) is used to make the execution of base class(super class) more efficient during execution.

11. ANS:Line(1) [x] When there is no constructor(s) in the class.
ANS:Line(2) [x] No parameters shall be included.

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