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very cool article

so can we sayed : there is only one implicit parameter(this object) for every class ?




Author:
Newbie
User avatar Posts: 17
Have thanks: 0 time

Xline wrote:
very cool article

so can we sayed : there is only one implicit parameter(this object) for every class ?

Yes
this is used for example when you have a paramter in function is the same name as a varrible of a class
Code eXample
Code:
public void setX(int x)
{
     this.x=x;
}

here this.x is for class varrible
and just x is for function paramter

_________________
M. S. Rakha, Ph.D.
Queen's University
Canada


Author:
Mastermind
User avatar Posts: 2715
Have thanks: 74 time

yub actually this is called shadow a variable ,

regarding mt question , actually maybe there is more than one Object called implicit parameter

take look at this :

java code
class A{
B b;
A(){
b= new B();
}
class B{
public String toString() {
return "B";
}

}
void a(){
System.out.println(this);
System.out.println(b);

}

public String toString() {
return "A";
}
public static void main(String[] args){
A a=new A();
a.a();
}

}



Author:
Newbie
User avatar Posts: 17
Have thanks: 0 time

thanks for explanation :lol:

_________________
M. S. Rakha, Ph.D.
Queen's University
Canada


Author:
Mastermind
User avatar Posts: 2715
Have thanks: 74 time
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