Interested to Buy Any Domain ? << Click Here >> for more details...
Explain, why the constructor is required in implemented
class?
- 4 Answers
- 7972 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / vimalan
constructor is used for initializing the class
variables.if constructor is not there,variables might be
taken the garbage values.To avoid garbage
values ,constructor is used.
Example:
Java:
int i;
initial value i=0;
C:
int v;
v=8823
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / snehaaa
when u have the class name like bicycle,how u'l initialize the values for bicycle with different 1 parameters,2 parameters,
3 parameters by using object?. for that u'l create example like 3 parameter constructors -> bicycle(speed,wheels,gear)and cal this constructor like bicycle b=new bicycle(10,2,4); this is use of constructor to initialize the values for class
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / sekhar
Constructor is like a method.It can be invoked as soon as
we create an object for the class.We can overload
constructor.to call them we need pass parameters in main
method.
| Is This Answer Correct ? | 3 Yes | 3 No |
Answer / ejp
A constructor isn't required so the question is futile. Both
answers above are wrong.
Specifically, in reply #1, 'if constructor is not
there,variables might be taken the garbage values' is itself
complete garbage.
Reply #2, is mostly irrelevant, but this statement 'to call
them we need pass parameters in main method' is also wrong.
Parameters are not required, and the reference to the main
method is pointless.
| Is This Answer Correct ? | 2 Yes | 3 No |
What is meant by object?
How to initialize an Applet ?
What is the largest long allowed by java?
why we write public static void main (String args[]) in core java plz explain briefly??????????????????
Can we create an object of private class?
What is ide with example?
Every class extends object but why it is not possible for every object to invoke clone() method. ideally protected methods should be accessible from sub classes. isn't it?
What is meant by null and void?
What do you mean by the term transient?
Difference between abstract class and Interfaces?
7 Answers CTS, iFlex, PA Consulting, Sai Softech, Value Chain,
Which is better list or arraylist in java?
What are namespaces in java?
Core Java 
