Really this videos are very useful not need to go and join any institution for the Java training ..If we are practice better after watching this videos .. Really we will get awesome knowledge.. Thank you very much Rathan sir ..
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hello Ratan sir, thank you for sharing these videos and super explanations. there might be many renowned faculties but you are the world's best for me. thanks again :-)
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Hai ratan sir....oops concept have polymorphism,inheritance,& encapsulation but doesn't have abstraction concept .pls uploading that vedios.iam did recently started watching in your vedios ,some before days back I did feel java is very deficult.but now I fallow in your vedios now confidentiality I am telling java is very easy ....this all credit goes to you sir ....now my confidence level also increased sir thanku soon much sir
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pls ratan sir....oops concept have polymorphism,inheritance,& encapsulation but doesn't have abstraction concept .pls uploading that vedios.iam did recently started watching in your vedios ,some before days back I did feel java is very deficult.but now I fallow in your vedios now confidentiality I am telling java is very easy
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First I would like to thank you for the deeply knowledge. You've missed the point regarding method overloading which is sequence of parameters should be different.
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in method overloading more then one method having same name and with different arguments is correct but here there methods return types also must and should same or not?
+srikanth thirumalasetty Hi Srikanth, in method overloading return type doesn't in the scope of overloading, while in overriding return type is in the scope.
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+natagangadhar kattimani What about different number of arguments with different data types? Sir, you emphasized on same number of arguments with different data types and different number of arguments with same data type..
+natagangadhar kattimani What about different number of arguments with different data types? Sir, you emphasized on same number of arguments with different data types and different number of arguments with same data type..
If I do like void display(int a) and void display(int a, String b). Whether both are overloaded or not. If No Why? If Yes want little bit explanation.. Thanking You..
But int is a primitive data type while String is not primitive data type.. My answer is as same as your is but in one interview , I replied same thing but he was not ready to accept..
Hi sir, method overloading is not a polymorphism. Polymorphism is a ability of an object to take on many forms. A parent class object can represent a child class object that means parent class object takes its own form as well as its child form based on the context. Generic method is a polymorphic method where it can accept different kind of data types, but different methods with same name with different parameters(method overloading) is not a polymorphism.
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Note:- in over rididing concept i have saved the source file name as Test.java =========== case 1:- ======== class Parent { void m1() { System.out.println("black girl"); } } class Child extends A // purpusly i have induced an error Extending a class which is not there in source file { void m1() { System.out.println("White girl"); } public static void main(String[] args) { new Child().m1(); } } conclusion :-Meaning full compile time error no doubt in this. ============================================= C:\Users\ADMIN\Desktop>javac Test.java Test.java:8: error: cannot find symbol class Child extends A ^ symbol: class A 1 error ---------> case 1 end javac Test.java .\Test.java:1: error: duplicate class: Parent class Parent ^ .\Test.java:8: error: duplicate class: Child class Child extends Test ^ Test.java:8: error: cannot access Test class Child extends Test ^ bad source file: .\Test.java file does not contain class Test Please remove or make sure it appears in the correct subdirectory of the sourcepath. C:\Users\ADMIN\Desktop> i will get 3 errors last error ---->cannot acess Test //---> Acceptable no doubt in this ^ 1 st and 2 nd error why i am getting -------> Duplicate class child and Duplicate class Parent error i have not taken any duplicate class in the source file in case 2:- wat is the reason i am getting that error Duplicate class child and duplicate class parent error
Thank you so much sir, since 3 years iam following. When ever I got doubt in java,I'll check ur videos
thanks a lot for the tutorial sir, all your videos are really very helpful, thanks a lot sir 👌👌👌👌🙂🙂🙂🙂
17:45 u refreshed me with your example babai....u made my day .....love ur classes
It's very simple way to deliver subject easy to understand Thank you Ratan Ji
Really this videos are very useful not need to go and join any institution for the Java training ..If we are practice better after watching this videos .. Really we will get awesome knowledge..
Thank you very much Rathan sir ..
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hello Ratan sir, thank you for sharing these videos and super explanations. there might be many renowned faculties but you are the world's best for me. thanks again :-)
Sir your explanation is excellent everyone understands easily 🙂🙂🙂🙂🙂😍
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excellent way of teaching .....!!!!! thank sir... Love u Ratan sir
sir,you are the best teacher in the world.
Thank you Ratan, excellent explanation, I have achieved so much from your tutorials, tq
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Java tutorial by durga sir
goo.gl/XWb4RL
Java 9 by durga sir
goo.gl/hXGyBW
Java 1.8 Version New Features by Durga sir
goo.gl/iHXXYU
Adv Java JDBC Tutorial by Durga sir
goo.gl/8q16Eo
OCJA 1.8 Java SE 8 Programmer - I (1Z0 - 808 ) By Durga sir
goo.gl/gC6R7f
Core Java by NagoorBabu sir
goo.gl/s6Nvj1
Advenced Java by Nagoorbabu sir
goo.gl/ZZonzJ
CoreJava by Ratan
goo.gl/3VM19v
Advanced Java jdbc by Ratan
goo.gl/Rn2UXr
Advjava tutorials - JSP by Ratan
goo.gl/Z6ytxm
Adv java servlets tutorial by ratan
goo.gl/zTwi9y
Servlet and JSP Tutorial by anji reddy
goo.gl/jZMRUv
Advanced Java Jdbc by Anjireddy
goo.gl/16CGzX
Hibernate byAnjireddy
goo.gl/qQojvZ
Struts by Anjireddy
goo.gl/nE1Eof
Spring by Mr.AnjiReddy
goo.gl/NfN14R
ADV JAVA by Naveen
goo.gl/bhSsXF
Spring by Mr.Naveen
goo.gl/huVwFN
Hibernate by Mr. Naveen
goo.gl/TY3Wpd
Struts by Mr.Naveen
goo.gl/Vkmiw7
Tq so much sir, I am understood polyphorphism perfectly.
Hai ratan sir....oops concept have polymorphism,inheritance,& encapsulation but doesn't have abstraction concept .pls uploading that vedios.iam did recently started watching in your vedios ,some before days back I did feel java is very deficult.but now I fallow in your vedios now confidentiality I am telling java is very easy ....this all credit goes to you sir ....now my confidence level also increased sir thanku soon much sir
now i got cancer after reading this post
dont be rude. lol
@@taletimezz
Ohh consult the doctor quickly otherwise it is very dangerous
it can cause death also
@@taletimezzhahaha..... Arey chacham kada ra navvukoni.
Ratan is very good faculty I like it.thank you so much sir
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Outstanding Job Sir Thank You Sir for sharing your knowledge with us...your doing a great job
You are explaining very well
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thanks a lot sir for ur videos,getting more knowledge on java seeing ur videos ,heads uo to teaching style.
Hi Bhavani. Thank you very much for your feedback
great job....excellent examples sir........keep it up...Thanks for efforts
Hi Shital. Thank you very much for your feedback
very nice.. thankyou for the effort!!
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u are doing grear work hats off
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Adv java servlets tutorial by ratan
goo.gl/a9LYoQ
very dangerous lecture by Ratan. Respect anyhow
Sir explain Has a relationship topic which is very imp for interview
Can u upload encapsulation videos and abstract class videos .
Sir provide previous video link here.
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i like your teaching Técnic
loved it...
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pls ratan sir....oops concept have polymorphism,inheritance,& encapsulation but doesn't have abstraction concept .pls uploading that vedios.iam did recently started watching in your vedios ,some before days back I did feel java is very deficult.but now I fallow in your vedios now confidentiality I am telling java is very easy
Thank you
very good thank you
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hiii,ratan sir...final method is overloaded or not
Final methods can overloaded, but overriding is not possible for final methods.
Super sir
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First I would like to thank you for the deeply knowledge.
You've missed the point regarding method overloading which is sequence of parameters should be different.
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CoreJava by Ratan
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Advanced Java jdbc by Ratan
goo.gl/QymTy4
Advjava tutorials - JSP by Ratan
goo.gl/hG2hUC
Adv java servlets tutorial by ratan
goo.gl/a9LYoQ
please tell me easier version uses blocks in classes
in method overloading more then one method having same name and with different arguments is correct
but here there methods return types also must and should same or not?
+srikanth thirumalasetty Hi Srikanth, in method overloading return type doesn't in the scope of overloading, while in overriding return type is in the scope.
return type does not affect polymorphism
Hello ratan you have done 1 mistake you should correct it watch your video by 01:00 to 01:10
How can I get your all videos
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super sir
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Good Sir,Thanks
Need working of Hasp Map
+natagangadhar kattimani
What about different number of arguments with different data types? Sir, you emphasized on same number of arguments with different data types and different number of arguments with same data type..
+natagangadhar kattimani
What about different number of arguments with different data types? Sir, you emphasized on same number of arguments with different data types and different number of arguments with same data type..
casting bro
If I do like
void display(int a) and void display(int a, String b). Whether both are overloaded or not. If No Why? If Yes want little bit explanation..
Thanking You..
But int is a primitive data type while String is not primitive data type.. My answer is as same as your is but in one interview , I replied same thing but he was not ready to accept..
nice sir
polymorphism - Aparichit Movie
getting error if we create object with reference in constructor overloading..why?
why did u write only new Test(value)?
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new test(); is a type of object name as nameless object where test() is constructor
sir, exception handling only 1 part is there.
ratan sir is great,but durga softwares hiding his videos on exceptions is cruelty towards students and fans of ratan sir.
Hi sir, method overloading is not a polymorphism. Polymorphism is a ability of an object to take on many forms. A parent class object can represent a child class object that means parent class object takes its own form as well as its child form based on the context. Generic method is a polymorphic method where it can accept different kind of data types, but different methods with same name with different parameters(method overloading) is not a polymorphism.
who is anu?
For more : th-cam.com/video/q2RgFH1rPos/w-d-xo.html
sir!
why Telangana.????🙌👮
Half of the videos are deleted
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Note:- in over rididing concept i have saved the source file name as Test.java
===========
case 1:-
========
class Parent
{
void m1()
{
System.out.println("black girl");
}
}
class Child extends A // purpusly i have induced an error Extending a class which is not there in source file
{
void m1()
{
System.out.println("White girl");
}
public static void main(String[] args)
{
new Child().m1();
}
}
conclusion :-Meaning full compile time error no doubt in this.
=============================================
C:\Users\ADMIN\Desktop>javac Test.java
Test.java:8: error: cannot find symbol
class Child extends A
^
symbol: class A
1 error
---------> case 1 end javac Test.java
.\Test.java:1: error: duplicate class: Parent
class Parent
^
.\Test.java:8: error: duplicate class: Child
class Child extends Test
^
Test.java:8: error: cannot access Test
class Child extends Test
^
bad source file: .\Test.java
file does not contain class Test
Please remove or make sure it appears in the correct subdirectory of the sourcepath.
C:\Users\ADMIN\Desktop>
i will get 3 errors
last error ---->cannot acess Test //---> Acceptable no doubt in this
^
1 st and 2 nd error
why i am getting -------> Duplicate class child and Duplicate class Parent error
i have not taken any duplicate class in the source file in case 2:-
wat is the reason i am getting that error Duplicate class child and duplicate class parent error
example is very dangerous
Polymorphism = Anniyan!!