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Java Forum / General / February 2007

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Calling one constructor from another?

Thread view: 
Z@nospam.com - 28 Feb 2007 04:44 GMT
If a class has 2 constructors:

public MyClass()  { ... }

and

public MyClass(int i)  { ... }

How can the parameterized constructor, MyClass(i), call the
parameterless constructor, MyClass()?
Patricia Shanahan - 28 Feb 2007 04:47 GMT
> If a class has 2 constructors:
>
[quoted text clipped - 6 lines]
> How can the parameterized constructor, MyClass(i), call the
> parameterless constructor, MyClass()?

It can do it at the start of its body, instead of a super call, using
"this":

public Myclass(int i){
  this();
  ....
}

Patricia


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