I read in many java books that constructor have no returns type , it means that it does not return anything ? is it really happen ? or it may return something ? I want to know the reason.
Please anyone give me the technical reason.
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It **do not** return anything. – lulyon Sep 09 '13 at 11:29
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[Related SO question](http://stackoverflow.com/questions/14509968/what-is-constructor-in-java-if-it-is-not-a-member-of-class). – rocketboy Sep 09 '13 at 11:30
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2In theory, the constructor does not return anything but simply modifies the object that will be returned by the `new` operation. In practice, it wouldn't work for you to return anything other than `this` anyway, so the return value would be redundant. – Hot Licks Sep 09 '13 at 11:31
8 Answers
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I read in many java books that constructor have no returns type , it means that it does not return anything ?
Yes, its return type is V for void.
is it really happen ?
Yes.
or it may return something ?
No.
I want to know the reason.
The question shouldn't be; Why not?,
The question should be; Do I really have? and the answer is no.
Peter Lawrey
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1@Aniket The default constructor for a class will be called `
()V` where `V` is the return type. Similarly the static initialiser method is called ` – Peter Lawrey Sep 09 '13 at 13:41()V`
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it means that it does not return anything ?
No,It won't.
is it really happen ?
Yes It happens
or it may return something ?
Again No,it won't return anything.
Providing constructor is optional,the name it self indicating, it just helps in construction of the object.Wont return anything.
Suresh Atta
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Thanks for answering, and I also know that...constructor don't have any return type...so it is not returning anything but I read somewhere that Constructor implicitly returns class type itself. So, is it a true statement. – snehal Sep 11 '13 at 16:38
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Constructors have one purpose is to create an instance of a class.Where as The purpose of methods, by contrast, is much more general. A method's basic function is to execute Java code.So Constructor never returns anything where as method may or may not return somthing.
Prabhaker A
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While constructors technically return nothing, the new call creates a new skeleton object at defaults, and then calls the correct constructor(and initializer blocks).
nanofarad
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Implicitly it will return the object of the corresponding class. WE should not mention the return type for constructor
upog
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A constructor is a special block of code that is called whenever a new object is created. It is called to initialize the new object.
A constructor does not return anything, and you never call a constructor directly. You use the new operator to create a new object. The new operator reserves memory for the object, then calls the constructor to initialize it, and then returns a reference to the new object.
Jesper
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Constructors are for initialising objects. They do their work, and that's it - the object is initialised. Returning stuff is NOT what constructors are for.
Dawood ibn Kareem
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Please refer to (Can constructor return a null object?)
It is a common behavior across all OOP languages that constructors do not have a erturn type in their signature. In fact, an instance of the class type enclosing the constructor definition is returned.
