C_87 Functions in C- part 4 |Call by Value & Call by Reference in C
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- Опубліковано 3 вер 2021
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Thanks for uploading this useful tutorial, Jenny.
Let me quickly add by saying, there are two most popular ways to call functions for parameter passing.
1) Call by Value: This method copies the value of an actual parameter or argument into the formal parameter of the function. Both actual and formal parameters are stored in different memory locations (in RAM). So, any changes made to the formal parameters in the called function are not reflected in the actual parameters in the calling function. Note that, by default, C programming uses call by value to pass parameters.
2) Call by Reference: On the other hand, in the call by reference method, the address of an actual parameter is copied into the formal parameter. Both actual and formal parameters refer to the same memory location. So, any changes made to the formal parameters in the called function are actually reflected in the actual parameters of the caller function. In C, we can use pointers to get the effect of pass by reference or call by reference whatever you call it.
Hope that helps!
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god will always help you.
Very Clear ❤️
Thank you madam
❤️ From Srilanka 🇱🇰
i love your teaching mam..one of the best...i love how you use whiteboard to explain concept and then laptop screen for practical..thank you very much mam..you make programming so fun..lots of love,gratitude and respect mam!
14:17 baby😂😂❤️
Btw the lectures are unbeatable 🔥
No baby it's maybe
i was searching for this comment 🤣
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Thanks a lot, mam! I was having lots of confusion in function and pointers but now each and every concept is crystal clear 🙏🙏
yet another best video from your mam. Thanks, millions again for the beautiful videos.
osm explaination mam you cleared by doubt which is remain uncleared since 3 years of my coding carrer
Hello mam. I am a regular student..
Thanks for uploading new lecture on function.😍
from data structure play list i am just here for latest video update 😀😀. after completing data structure, i back to here for remaining c function topic😌 bye d way mam seriously DS is properly and simply explained by you. thank you its help me a lot in my upcoming CDAC final end exam & interviews.
same here
Thank you very much for this lecture, I understand better here than my professor taught it. So much helpful ❤❤
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THANKS MAM YOU CLEARED MY CONCEPT VERY WELL :)
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Mam it was very important for me because I didn't understand this concept. Thanks for making mam.
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All concepts cleared
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I enjoyed this video,literally.🔥🔥
much more clear. Thanks ^^
Thank you mam. It's very useful and I understand that quickly.
Mam pura semester barbad ho gya college me youtube per kahi bhi samajh nhi aayi C but aapka bataya hua ek ek word samjh aa raha hai and mja aa raha hai padhne me ❤ thank you so much mam 🎉😍
Iam addicted to your teaching method.. lovely n clearly
If x and y are global variables, their values can be accessed and changed by any functions.
But yes, passing address is imp as global variables causes linkage problem and if any bug the issue's debugging is tough.
THANK YOU MAM
FOR YOUR GREAT LECTURE
Jabra fan ho gya hun mam aapke explanations ka ;
You are a very good teacher of Computer Science.Your lectures should be got popularity
Mam i love your smile 😊 the way you smile on your examples
Yes mam I have noticed that error but your explanation is too good and super mam
Yes and after use of fun() Function, that memory will release, that's why it is not printing x=7 and y=5;
thank you mam it helps a lot like a lot
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can you please make videos about structure, files, and streams.
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So
From where
Plz reply me that which laptop and app you used for coding
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Video start 2:25 thanks me later
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Mam thanks for your efforts
14:16 said baby🤩
For Mams vedio voice is not required 😊😊
Thank you Jenny for making me understand of how Not to use incorrect functions and use appropriate ones with clarity.
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To teach in simple way
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Ma'am your teaching bindas
madam apka sab sahi pr bar bar unacadmy ka sun ke paak gya hu me
Happy teacher's day ma'am ... ❤️
then what is call by function using then we can use only pf,without using of call by value???
I have one doubt that in defination you and declaration of function you declared two pointers but you should not intialised so how the pointers point to x and y variables mam
Good communication jenny
Thankyou so much ma'am!
DBMS AND SQL WOULD BE A GREAT HELP
Well done maam..
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there is always a smile on mam's face
If we do swapping in fun definition part then why valu changed in main function.
Happy teachers day ma'am🙏😊🎂💐🍰🍫
HAPPY TEACHERS DAY MAM
but that 16 and 17th line showing x and y are redeclared!!error...
Maza aagaya....tq mam
Thank you madam :)
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Happy teacher's day Mam