Difference between Overloading and Overriding (part-II)

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thank you sir
your marry example for method overriding was superb
it is fixed in my mind thank you once again...

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Very helpful explanation! I found it clearer and easier than the explanation offered to me by my university.

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Very well explained with awesome examples ! Thanks !!!

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Very useful. Thank you Durga Sir

[@TheRiishii]

Great explanation!!

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Respect for you sir

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Thank you very much sir , your methods are very clear to us

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Tq sir ur examples are simply super

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Very very nice teaching sir..

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Sir superb teaching

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Teaching is very very good sir .thank you.

[@DURGAEDUCATION]

Hello,
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such a great explanation!

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Superbbb explanation sir

[@captainudayfop]

thnx mr.durga for teaching me.i know u will not read this but still thnx

[@amitmalik7804]

Thanks for clearing the concepts. But I have a question if I define a static method in parent class i.e overhidden for child class but when I define same method with same signature but modifier is not static. It gives compile time error. why?

[@nalinisree7592]

Thank you very much sir for your valuable lessons.

[@VikasJadhavgoogleprofile]

I want to correct your point 7 i.e Throws Clause.
1. If the super class method does not declare an exception, subclass overridden method cannot declare the checked exception but it can declare unchecked exception.
If the super class method declares an exception, subclass overridden method can declare same, subclass exception or no exception but cannot declare parent exception.
@Please correct me if i am wrong.

[@anilreddy7372]

That is not class, clause only

[@srinivasn4723]

@@anilreddy7372 that is class only not class whatever he wrote is correct

[@QA_TestAnalyst]

Hello Sir, Getting compiler error on overloading if i changing the order in arguments. But you mention in this video overloading will work if we change argument order also.

[@jeevag7995]

Sir, what is the difference between throw and throws

[@shubhashrivastava9337]

eassy to learn..plz upload slenium video also

[@thanveeraqtharah]

Can you please explain about "Method Hidding" and What is the use of "Method Hiding"?, i.e (where in programming we can use method hinding feature of java?

[@shanuchandra7156]

Sir in method overloading how method signature must be different method signature means method name and argument type..it is must to have same name of method in overloading concept then why you pointed method signature must be different

[@ShaliniSingh-pn2yw]

Best explanation

[@abadialnahas9286]

it is a best lecture for me in java but sir one thing i wish u improve the language : )

[@shrikantkarki4966]

Superb Sir

[@pavanvarma2227]

return type can change in overriding only for non-primitive return types like object

[@satyasubhashini7528]

Unchecked exception means sir??

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no words big big tnx sir.

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Hello,
We are very Happy to say Now you can access All DURGA Sir's Core Java with
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[@amitmalik7804]

Why Static method can not override? Plz explain.

[@ukvyas]

excellent

[@manojbhimali9494]

awasome ,"method hiding but not overloadin "

[@shivamsaxena5854]

In point number 5, How could private function be overloaded?
class parent
{
private void f0()
{
System.out.print("function without argument");
}
}
class child extends parent
{
private void f0(int v0)
{
System.out.print("function with argument");
}
}
class C0
{
public static void main(String r0[])
{
child r1=new child();
r1.f0();
}
}
As per point number 5, If the private function could be overloaded then the "function without argument" should come as the output of the aforementioned source code.
But the "compile time error" is coming as the output.
It means the private function could not be overloaded.
Please correct me if I am wrong.
Thank You.

[@ZeeshanKhan-ff9xl]

This is overriding

[@DaBBoSaH]

you also can't technically override private methods because they are not inherited... but you can still create the same method signature in the child class...

[@amitava1973]

You are right. But in that case it is not overridden method. It is just two different methods.

[@DaBBoSaH]

my comment is not an objection... it is to clarify something to the viewers who may wonder why :D

[@poornaps]

Thank you sir

[@rohityadav7646]

Sir please explain what is co-variant return types
class abc
{
int m,n,x;
int pok(int a,int b)
{
m=a;
n=b;
x=m+n;
return(x);
}
}
class pqr extends abc
{
long u,v,w;
long pok(int a,int b)
{
u=a;
v=b;
w=u*v;
return(w);
}
}
class MAIN
{
public static void main(String ar[])
{
pqr p1=new pqr();
long l1=p1.pok(10,20);
System.out.println("MULTIPLICATION IS :"+l1);
abc a1=new abc();
int o=a1.pok(10,20);
System.out.println("SUM IS :"+o);
}
}
int and long/byte/short are co-variant or not?????

[@siva7573]

hi ,
can any one tell me WHAT IS METHOD RESOLUTION?

[@vamsi7362]

Miru devudu sir

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very nice

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Thanku sir

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Thanks

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nice..........

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thank you ...

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Super

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nice sir

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How to program

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thnx sir

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Thank you

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Must-A be different!!
XD XD

[@akshaysuryawanshi63]

If the return type is different but the signature is same, then the compiler will complain

[@munishkumar7153]

2nd point is wrong sir its not arguments ...its parameters ...

[@factzone7355]

Munish kumar can you please tell difference between arguments and parameter s

[@karnveerayush]

I think arguments sounds better

[@kookoon]

From StackOverflow: A parameter is a variable in a method definition. When a method is called, the arguments are the data you pass into the method's parameters. Parameter is variable in the declaration of function. Argument is the actual value of this variable that gets passed to function.