Why Oject class constructor is called?

[rama murthy]

I am having a class that dosen't extend any class. So it implicitly extends Object class. Now when my constructor is called it internally calls the Object class's constructor.

All I want to know is
why this(Object class's constructor) is being called.?
What benefits we get?

[Srinivas Kalvala]

Hello,

The constructor is used to setup the initial object state or behavior. The state of current generation depends on the state or condition of the previous generation.

In inheritance , the state of the child object always depends on the parent object. The state of the parent object is required to setup before setting up the child state.

More inputs are welcome.

[rama murthy]

I didn't understand.

Can any one kindly explain more detaily.

[Ernest Friedman-Hill]

Originally posted by rama murthy:
I didn't understand.

I'm afraid I don't understand your question, either.

In Java, when an object is created, its constructor is always called. Every constructor calls the direct superclass's constructor, and so on, up until Object's constructor is called. This way, every object, including the parts inherited from some other class, can be initialized.

So, are you asking why this is so, or are you saying (for some reason that's unclear to me) that you think Object should be a special case, and its constructor should be skipped?

[rama murthy]

So, are you asking why this is so

Yes.

[Ernest Friedman-Hill]

Originally posted by rama murthy:

Yes.

Because every class may need a chance to initialize its member variables; this is done in the constructor. Therefore the constructor of each parent class is called, so that any inherited member variables may be initialized.