Core Java With OCJP/SCJP: Declarations and Access Modifiers Part-7|| MemberLevel Modifiers

[@AJAYVISHWAKARMA-yj1gu]

Note : from java 17version onwards strictfp modifier is not required all floating point expressions are evaluated strictly

[@SmartProgramming]

appreciable, you are the best trainer for java i have every seen who explains so deeply, thanks a lot sir 👍👍

[@rakibulislam2452]

no tutorial will come for java in youtube like Durga sir forever unique and best.

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[@pradeepkumar-lb1ym]

I thank whole heartedly to durga sir for giving such a good clarity on acess and non access modifiers

[@DurgaSoftwareSolutions]

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Durga sir videos give left and right to the people who think java is difficult

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[@QaAutomationAlchemist]

Durga sir, hats off to you! It is great help for me to learn along with daily work.. Gives concrete ideas and focused examples. Really , Great job!

[@LakhanWayal]

Outstanding teaching i access your java tutorials.... Each and every concept are you explain very clearly...

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[@LakhanWayal]

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[@UnitedTekSolutions]

Excellent teaching skills ..easy accessible classes from everywhere

[@DurgaSoftwareSolutions]

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[@sarbeshkumarsingh1328]

Best teaching style........... thanks alote ..............

[@DeepakKumar-dw1re]

Adorble....fabulous 🙏🏼🙏🏼👏👏👏

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[@mahimaprajapat5017]

Best teacher for java🙂

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[@SACHINCHAUHAN-pu2og]

hey can you help me from where you are practicing the programs after watching durga sir theory lecture ! please reply coz all comments seems very old !

[@AYDixit]

Thank you very very much Durga sir!

[@DimitriosTosidis]

nice example of protected access modifier by using polymorphism

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[@News_Hub_1234]

I am enjoying java with your way of teaching otherwise it seems like a boredoom

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[@gauravsrivastava17]

Acess Modifiers(default public private protected ) 🤩🤩🤩🤩

[@aamirahangar7928]

Best and deep explination

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[@saddamahmad2310]

thank you very much sir for this video

[@pratikmahajan1244]

Sir this is very helpful ......thank YOu

[@pramodkhade2554]

Outstanding explaination sirji🙏

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[@RAVINDRAKUMAR-gj2nx]

thanks sir for this wonderful tutorial

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[@sumitbadugu417]

please make video on advance java

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[@nishantlaxkar7451]

Thankyou sir for this great explanation.♥️

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[@rahulranjan5067]

Sir, you are the best

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[@SushmaswarajMarri]

Day 17 (12/9/24) session 36✅ Thank you sirr😊

[@kushpareek3640]

watch with 2x speed.

[@srikanthkamlikar3201]

Awesome teaching

[@shubhchourasia1803]

jab tak suraj chaand rahega Durga sir ka naam rahega

[@subhakar9015]

Tq 🙏 sir task completed

[@RAVISHANKAR-qo3ks]

Hello sir, I have read your lecture of var-arg . static void shoe(string... arg) { for(int I=o;i

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[@akilag]

String... args is just a declaration. it's not initialized without the values. so it's not printing anything.

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👍👍👍👍👍👍

[@ashikarman3695]

It is great help

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[@YASHkumar-qb3gm]

👍

[@RamaKrishna-en4nm]

super sir super

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[@shortsmotivation99921]

Strictfp:     strictfp is the modifier applicable for methods and classes but not for variables. Strictfp modifier introduced in 1.2 versions. Usually the result of floating point of arithmetic is varing from platform to platform , to overcome this problem we should use strictfp modifier. If a method declare as the Strictfp then all the floating point calculations in that method has to follow IEEE754 standard, So that we will get platform independent results

[@nagarjuna0908]

what is non-child class means sir?

[@DurgaSoftwareSolutions]

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[@nagarjuna0908]

@@DurgaSoftwareSolutions Thank you very much Durgasoft 😊

[@ranveervaghela7030]

Watched 09-04-2024

[@amritagoyal7748]

sir why parent reference is not allowed to access protected method outside the package. What is the sense behind using only child reference and not parent

[@DurgaSoftwareSolutions]

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[@jvsnyc]

Even tho you have the same parent as your brothers and sisters, you don't have the right to touch their private or protected parts. That might help you remember it, but the reason is, that if you have a reference to your own type, you know what is going on with that class, full understanding. If you are a Duck, you understand how Ducks work and behave. A Turkey is also a Bird, this is true, but you despite being a Bird as well may not fully understand how a Turkey really works, so messing with the protected parts of a Bird that is a Turkey could easily cause some very bad misbehavior of the Turkey which they would be blamed for, but it came about because you are a Duck and did some things that seemed good to you as a Duck but were very harmful to a Turkey. So if it walks like a Duck, quacks like a Duck and swims like a Duck it can't pretend to know exactly how to be anything but a Duck -- if you can mess with protected members inherited from Bird than you can be breaking things for poor Turkeys without realizing it or intending to. The rule is there to keep your classes safe from my incorrect ideas, and mine from yours despite us having the same Parent class.

[@psychogaming1425]

sir i am unable afford high paying fee for coaching your playlist helped me alot sir thank you very much but sir i also want to learn advance java from you can you suggest how can i ?

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[@nuthan315]

If we declare the protected member as static in the parent class of pack1 then its allowing access outside the package with all the 3 types of references A a = new A() B b = new B() A a = new B() Can someone please help to understand this If we declare as non static then it's working as described by Durga sir .

[@DurgaSoftwareSolutions]

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[@anilkumarnagamani1739]

Dear Durga Sir, your teaching is so good and very easy to understand. Could you please tell me what exactly the need of using protected modifier. If we create a object using child class by default we are getting the parent class features. So I am not seeing any restriction here. If you don't mind please explain what is the real use case we would need this protected modifier. Thanks in advance.

[@sandeepe5989]

Guys, rather than using some unknown 'fancy' words like other faculty , it's better to use known stuff.

[@GalaxyStriker619]

You are correct but it is helpful or can be used if you want to restrict the access for non child classes outside of package. From outside package, if class is not child class then we you can create an object but can't access its protected members.

[@HannaHanna-fq8te]

java king

[@abhijeetraj7952]

Thank You Sir :)))

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[@varundutta2381]

I am getting error on compiling pack2.. C.java:11: error: non-static method m1() cannot be referenced from a static context C.m1();

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[@sai7557]

from inside package?

[@sanketvaviya9304]

Sir Inner class modifiers???

[@DurgaSoftwareSolutions]

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[@KRISH-wc4uy]

Can we declare strictfp abstract

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[@vedantsingh7011]

strictfp abstract is invalid combination at method level but valid at class level.

[@-AjayChauhan]

Day 16 of #75daysofcode completed this one 6 March,2024

[@sai7557]

class A{ protected void T(){}; } public class SomeF extends A{ A a = new A(); a.T(); } is this valid?

[@rohiitkummar]

definitely valid!!! only if u call T() from some method!!!

[@anooppandey8418]

Please explain... class Main{ public static void main(String args[]){ A ob = new B(); --> Also explain this part. System.out.println(ob.x); } } class A{ int x; public A(){ x = 10; } } class B extends A{ int x; public B(){ x = 20; } }

[@DurgaSoftwareSolutions]

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[@chetansharma3358]

Sir here first 'Upcasting' is happening in first line of main method When you are printing as ob.x then output will be 10 Here shadowing is used which is defining variable with same name is happening in both child and parent and resolution always done by compiler i.e. by reference type

[@sai7557]

Even we cannot access protected members from instance variable in child class class A{ protected void T(){}; } public class SomeF extends A{ A a = new A(); a.T(); } is this valid?

[@jonassx100]

outside package !! yes

[@siddharthnagar4422]

valid

[@rohiitkummar]

please put the method call T() in some method of SomeF class bro!!!

[@jvsnyc]

You can access the data members (member variables) and member functions, but you need to have a reference to your OWN type to do so, not merely a reference to the base class. Some write it to say "you must participate in the implementation" -- this is what that means. If you are a duck, you can access protected bird members, using a duck reference. You cannot access protected bird members given merely a bird reference, even tho the object itself is in reality an instance of a duck. You also can't access protected bird members in chickens or turkeys. Most good presentations of object-orientation show this clearly, I have not watched Durga Sir's ones yet, but I bet he does too. I hope you learned this sometime between posting this and now.

[@manishsakariya4595]

How non child class of same package can access protected members?? I think there is some mistake at time 1:22:08 diagram

[@jonassx100]

Within Current Paackage anywhere

[@jvsnyc]

because in Java, protected is on top of default / package. If you said nothing, it would be accessible by all classes in same package, if you say "protected" that adds "also by any subclass, whether or not they are in this package". C# lets you be more specific, you can have protected meaning sub class only, or everything internal (like package) PLUS sub classes, or even ONLY IF BOTH SUBCLASS AND INTERNAL -- Java is simpler, protected just means everyone in your class PLUS every subclass.

[@HarshaVardhan-kt5uu]

No ,it's right

[@muralicreations9901]

Sir can you please define the meaning of this A a=new B(); A a= new C();

[@prateeksingh742]

Okkay consider A parent class and B child class now new B() means you are creating object of child class and a is reference which is in parent class which is pointing towards child class object.Hope you got you

[@sai7557]

at 47 minute

[@SamrathNagar]

sir you are repeating words so many times,its making lecture boring... please avoid this

[@sai7557]

sir this is absolutely wrong I dont know why u dont update this concept