Revisiting Pointers: new and delete Keywords in CPP | C++ Tutorials for Beginners #50

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[@InfiniteWonderss]

Guys, we are legends because we started to watch these videos 2-3 years ago and now we have completed 50 videos. congratulations to all of you.

[@yash_kirnapure4528]

🤝

[@gamingwithasmile268]

🥲

[@kumkumbhagya51]

yes we did it🤝🤝

[@manavroy7293]

6:24 TIP: We could also initialise thier values like that- int *arr=new int[3]{2,4,8}; cout

[@shashinegative9366]

kaise socha esa bhai..

[@shashinegative9366]

aur bhai last element q nhi delete ho rha

[@jesusmelody4643]

@@shashinegative9366 bhai aapko pta chla kya???

[@GeekyShubhamSharma]

Pta nhi aisa kyu hota hai mere saath Kahi or se padhu to bhul jata hu lekin jab aap padhate hai to pta nhi kyu hamesha hamesha ke liye yaad rh jata hai🤔🤔 The way u teach is next level no one can teach like this best teacher ever award should be given to u💓💓💓💓💓💓💓💓💓💓💓💓

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[@Desireanshu]

You can also add that if we declare the variable like line 6 --> int a = 4, it will allocate the memory in the stack form. If we declare the variable using 'new' keyword like in line 11 --> int *p = new int(40), it will allocate the memory in heap

[@bohotsaaridhop]

So we use new and delete for heap memory allocation only?

[@sukhmandersingh4306]

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[@dimpleverma1181]

Yes

[@anubhavsharma1326]

@@bohotsaaridhop yes

[@nnasirhussain]

****Remember*** only dynamically allocated variables can be destroyed using delete operator

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finally reached the 50 th video , lets finish this now

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yes bro

[@tayyabsami258]

Alhamdulilah reached half century of the vedio of this playlist .Thanks a lot😍

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yeppp

[@atgamingstudios6445]

Thank you bro ❤️ mai aapke saare C++ ke tutorials follow kr rha hu Since April and merko C# ke course ka be sabri se intazaar hai kyuki mai Unity me programming krna chahta hu

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Most advanced channel for coding on desi language❤

[@sauravmandal5]

5:20- Bhaiya as you said , the value is allocated dynamically , so doesn't we need to free the memory , like you have teached us at mallock / calloc (), - may leads to memory leak.

[@vishusaini7587]

This is the best C++ course I ever came across. Just one thing, would have been really good if you would also have talked about memory allocation in C++ (i.e stack and heap concept) at this point. They have always confused me a lot. Thanks and my best wishes to you.

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After watching your c++ lectures from 1-50.i must see they're too good.Secondly bhaiya PLAYLIST ACCESS kar liya h ...i assure you ..trust me😂😂

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Finally i've reached half century.... OOPs mai bohot maza aagaya abhi tak.... LOooking forward to complete course ASAP

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bhai baki videos mei kitna time laga 50 to 74?

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Your hard work is really appreciable. Keep Going Harry ! people like you are real gems of KZbin !!

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Strike half-century today ten more left Thank you harry bhaiya

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#Note. Normally in c++ memory allocated in stack. but dynamically allocated memory assign in heap.

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kzbin.info/www/bejne/iJ2sY2SqaNp3irs IIT jee notes

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Has the c++ course been completed in the whole 74 videos or are some portions still left??KKindly help me in knowing this

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Thank u Harry bhai aapke wjese he mere topic clear ho gye jo kbhi socha nhi tha m kr pauga best teacher ❤️👍keep it up

[@mohitsapkal1543]

Sir why after deleting arr we get the value of arr[2] correct, also I tried this by re-running the code and also increasing the size of array. Problem is that after 2 elements, all values are correctly shown....pls clear this confusion :)

[@AadityaSPatil]

I wanted to ask the same question!

[@sandeepkumartiwari8436]

@@AadityaSPatil I also have same problem . If you know the answer please tell me Please.

[@shilpijain9339]

I also have the same problem

[@shaheenkhan868]

Elements are not necessarily removed when you delete[] them. They are just made available to the system for re-use. Accessing them afterwards is not allowed (Undefined Behaviour). If your array had held objects with destructors then delete also causes destructors to be run before making the memory available for re-use

[@vaibhavshinde5520]

Have you tried delete[ ] are instead of delete arr

[@shiv_ops]

Sir, please make a playlist on Python Data Structures and Algorithms.

[@opmemes2392]

Python me nahi hoga😀😀😀😀😀

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@@opmemes2392 We can use any language for data structures and algorithms, no matter it is python or any other language

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Yeah please

[@kumkumbhagya51]

6:14 kyuki vo ek array hai isliye [ ] ye waale brackets use hai

[@soloh4cker]

Humara developer kesa ho... Harry bhai jesa ho!!!

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Harry bhai please aap kya unity ka tutorials shuru kar sakte hai. Bauhat achha hoga bhai. I appreciate your hardworking. Thank you!

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Yes, we want more on c++

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Check playlist learn in one video

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finally completed 50 lectures !!!

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Today am GTU's 3rd sem exam of computer and i only refer you videos ❤️.

[@beastgamer9444]

8:21 why is arr[2] not giving garbage value???

[@sunilkumar-ft3nk]

Bro same doubt . After delete keyword I am able to delete only 2 int numbers. Have you find the answer why?

[@beastgamer9444]

@@sunilkumar-ft3nk no bro

[@sukhmandersingh4306]

@@sunilkumar-ft3nk you don't need to worry about what the array contains after deleting it. Delete keyword just means that the address previously used is now free to use again by other new allocations. If you're deleting the array using delete[] it has been correctly deallocated even if the value in those arrays are correct for now. Don't ever use a deallocated resource as that is undefined behavior.

[@abhzt]

not first but your channel is BEST!

[@vaibhavmore1051]

Sir, Please make a playlist on the meanstack course.

[@nilusingh75]

can we say that new keyword in cpp and malloc keyword in C are same?

[@vipulsinghania5057]

#include using namespace std; int main(){ // basic example int a = 4; int *ptr = &a; cout

[@Asish0089]

8:16 8:46

[@darpanPednekar]

Sir please make a playlist on Angular

[@mohitpatel7173]

When we use delete operator with array. It not delete the last value that store in the array. In your example the value of array[2] wasn't delete when using delete[]arr. Why?

[@PrashantKumar-wk1xb]

Thankyou sir for providing us free video

[@irfanahmad-uy6dx]

Plz also make a vedio on aggregation and composition plz

[@devanshsaxena1585]

What is difference between delete arr and delete [ ] arr ? Both are freeing the memory block

[@sandeepkumartiwari8436]

I think their is no difference between delete arr or delete [ ] arr

[@SAHIL----10]

delete: This is used to free memory allocated with new. It is used for a single object. delete[ ]: This is used to free memory allocated with new[ ]. It is used for arrays.

[@HarishKumar-jm5bk]

Harry sir please please 🙏 c++ ka data structure bhi krwa dena

[@shaheenkhan868]

At 9:57 can anyone tell me why the arr[2] value did not change or gets deleted

[@TubaKhalil]

Legends to Woh Hain Jo paper sy aik din pehly 2x py pori playlist Dekh rahy hain

[@muhammadareebkazmi9476]

Thank you, Harry bhai!

[@shivanshusingh3449]

I am using the delete operator as shown in the video to delete a dynamically created array but is only deleting the first two elements of the array. Harry bhai please help.

[@crazyduniya128]

yes same confusion

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finally we touched half century😇

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superb explanation sir.

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Thank you 😊

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You are my mentor❤

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yeh fir..koi or.. Idea doubts clear krne...ke liye🙏🙏

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Thank you so much harryy bhaii 🥳

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Thank you so much for your amazing videos

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Thanks Dr Harry

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2 million to go brother

[@kumkumbhagya51]

3:39 vaise humne isme ptr ki value nikaali kyuki a ki value check krne ke liye hum bas

[@dhruvnation1884]

Thnx for the helpful tutorial

[@palashsharma891]

Bhaiya ek data science pe roadmap ka video banado. Jo apne pseudo Python developer ka bataya tha ek video mein, use thoda aur clearly samjhaiye please.

[@deepakmurmu7732]

hello harry bhai woh jjoh apne delete arr likha he usse sirf arr ke pehle two elements delete hue par last wala nhi hua, kyun?

[@NishitRathod27]

What is the importance of * in pointers that we are interesting in the syntax

[@vipulchaudhary_js]

Really Loved it 😻

[@royfamily9273]

Thanks Harry Bhaiya

[@jerlinabraham9724]

what is the difference between delete and delete[ ]

[@MahnoorAkhtar-b4f]

Thanks sir...😊

[@mahinpatel8024]

congratulations everyone for reaching 50th video

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Makes it look so easy ❤️

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Sir please make the Roadmap for Software Engineer

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I am regretting that I watched your video late, and wasted my time on watching other channels videos....😢

[@mevishalcoder]

Bhai "Java" par kab Playlist bana rahe ho ?

[@DK-dp1pt]

why 3rd array element is not destroyed(arr[2] = 30) ??

[@harshikasindwani27]

Why we are assigning value to the memory like it should be assigned at the run time na? How can it be dynamic if we are assigning it at compile time? #doubt #IfAnyoneCouldHelp

[@gopalidhole8452]

8:20 Can anyone answer it!! why arr[2] was not deleted when he use delete??

[@sudhakarsahu344]

it is rare in output to come garbage value as same as noted no. in coding as 30 in this video. do code in your system as clear confusion..thanks

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🙏🙏Make a series on hacking.🙏🙏

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You can follow bitten tech for hacking

[@Stolen__spirit]

#everyone i have one doubt why we need dereference operator when we allocate heap memory for an int data type and for array why we don't need dereference operator for retrieving the value? haary bhaiya make a discord group for doubts if possible !!

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Sir hr language ki important questions kr wa digiye

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💗Harry bhai 💗

[@trueknowledge2065]

Sir I am getting a error while installing PYAUDIO What to do sir it is saying please built and install port audio first

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Harry bhaii "XML" pr video ho jaye!!

[@akshay.pawar.]

You are best bhai

[@tusharpaul5757]

why does delete[ ] operator deletes only first two indices of the array and rest are retained? anyone knows the answer?

[@krishnakhandelwal12kk]

Same condition bro

[@krishnakhandelwal12kk]

Do you know on leetcode ther e is only coding through hashmaping in c++ which i don't know Can please tell me about other platforms

[@adhipbhattarai3889]

why this delete operator delete only 2 elements?

[@shabanakhatoon6886]

Harry bhaiya have a nice day Hari Bhaiya I was installing the window 10 in the leptop due to the laptop not working properly, but the process stopped in the middle and it is not cutting amd not moving.What do i do now.please Hari bhaiya. Now how do I learn my programming.

[@cosmic_021]

Always support you

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Pleaseee bhaiya make a video on exception handling🙏🙏🙏 Dikkat aarhi hai please

[@GauravKumar-dw2ml]

Plzz keep goin in c++

[@lovishdhingra801]

jahapana tuc great ho

[@Akshay-md4vf]

What is keyboard button for double type ??

[@manjitsharma889]

press alt and click the mouse on the places you want the cursor to be

[@bcaeducation4913]

thnx bhaiya

[@abdullah_saeed10]

yrr pointers ki tou bht mushkil se samajh aa gyi lekin ab ye new aur delete keywords ko smajhne me kaafi time lage ga

[@BATSARK007]

How did it dereference itself in line 19,20,21 without *?

[@shrutikahapase9990]

Appreciate sir

[@GauravKumar-ck7rs]

Bhai C++ mein STL bhi pdhana 👍👍