String, StringBuffer & StringBuilder for JAVA Certification & Interviews

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  • เผยแพร่เมื่อ 7 ม.ค. 2025

ความคิดเห็น • 594

  • @haykmkrtchyan7093
    @haykmkrtchyan7093 2 ปีที่แล้ว +172

    0:00 - String,StringBuffer and StringBuilder For Java Certification
    7:47 - Difference between String and StringBuffer Mutability Vs Immutability
    23:51 - Difference between String and StringBuffer == Operator Vs equals method
    37:54 - String Objects Creation Heap and String Constant Pool (SCP) Part - 1
    56:01 - String Objects Creation Heap and String Constant Pool (SCP) Part - 2
    1:02:17 - String Objects Creation Heap and String Constant Pool (SCP) Part - 3
    1:19:36 - Importance of String Constant Pool (SCP)
    1:34:00 - Important FAQs on String and StringBuffer
    1:44:25 - Important Constructors of String class
    1:55:45 - Important Methods of String class: charAt(), concat(), equals(), equalsIgnoreCase()
    2:11:24 - Important Methods of String class: isEmpty(),length(),replace(),substring()
    2:29:06 - Important Methods of String class: indexOf(),lastIndexOf(),toLowerCase(),toUpperCase()
    2:37:07 - Important Methods of String class: trim() method and its use case
    3:00:20 - Important Conclusions about String Immutability
    3:15:12 - Creation of Our Own Immutable Class
    3:26:45 - final Vs immutability
    3:35:51 - Practice Question and Explanation 1
    3:41:32 - Practice Question and Explanation 2
    3:45:58 - Practice Question and Explanation 3
    3:49:28 - Practice Question and Explanation 4
    3:53:22 - Practice Question and Explanation 5
    4:03:45 - Need of StringBuffer
    4:10:34 - StringBuffer class Constructors Part - 1
    4:27:59 - StringBuffer class Constructors Part - 2
    4:37:08 - Important Methods of StringBuffer class: length(),capacity(),charAt(),setCharAt(),append()
    4:50:10 - Important Methods of StringBuffer class: insert(),delete(),deleteCharAt(),reverse()
    5:03:35 - Important Methods of StringBuffer class: setLength(),ensureCapacity(),trimToSize()
    5:17:31 - Need of StringBuilder and differences with StringBuffer
    5:29:07 - String Vs StringBuffer and StringBuilder
    5:34:45 - Method Chaining
    5:43:38 - Practice Question and Explanation 6
    5:50:37 - Practice Question and Explanation 7
    5:58:24 - Practice Question and Explanation 8
    6:05:32 - Practice Question and Explanation 9
    6:18:02 - Practice Question and Explanation 10

  • @118-hiteshisingh5
    @118-hiteshisingh5 11 หลายเดือนก่อน +43

    My boyfriend got his first job by watching your videos sir. Now it's my turn. Tysm sir you made our lives easy

    • @vyankateshsonawane6815
      @vyankateshsonawane6815 8 หลายเดือนก่อน +7

      Hitesh u have boyfriend 😂

    • @jskhan55
      @jskhan55 8 หลายเดือนก่อน

      Hiteshi naam. Hai​@@vyankateshsonawane6815

    • @gowtham7231
      @gowtham7231 8 หลายเดือนก่อน

      Your boyfriend is lucky to have u

    • @priyanshipriya3146
      @priyanshipriya3146 3 หลายเดือนก่อน

      @@vyankateshsonawane6815 buddy she is hiteshi

    • @microsoft_india
      @microsoft_india 2 หลายเดือนก่อน

      @@vyankateshsonawane6815 her name is hiteshi

  • @ashusingh265
    @ashusingh265 3 ปีที่แล้ว +16

    I've not seen any teacher who teaches so deeply, in any other programming language....Awesome

  • @preetipandey6422
    @preetipandey6422 3 ปีที่แล้ว +45

    Nothing in this world can replace your knowledge and way of teaching!! Standing ovation for you sir !!

  • @informer3268
    @informer3268 ปีที่แล้ว +4

    In depth explanation i dont think we will get this knowledge after reading 50 java books.this man is unbelievable with great knowledge.thanks for this valuble content

  • @khanmdmaaz
    @khanmdmaaz 4 ปีที่แล้ว +44

    the concepts that Durga sir tells, leave a permanent impression and retain in the long time storage of the brain. I usually didn't open his videos, as were lengthy, but now I prefer spending time to have in-depth and exact knowledge.

  • @keshavgarg3500
    @keshavgarg3500 2 วันที่ผ่านมา +2

    Awesome video on java and the way you teach in depth sir is unbelievable

  • @suriliagarwal676
    @suriliagarwal676 2 ปีที่แล้ว +26

    1:33:59-- Important faq's on String and String Buffer
    1:44:26 - Important Constructors of String class.
    1:55:44 - String Methods
    3:00:19 - important Conclusions About string immutability

  • @tarunkumarvella9157
    @tarunkumarvella9157 4 ปีที่แล้ว +30

    This is really an addictive channel for java learners, the way durga sir explains the concept clearly in a broader context , it is mind blowing!!!!

  • @prasannanivas4575
    @prasannanivas4575 5 ปีที่แล้ว +19

    Durga sir, today in java lab, in multithreading i gave left and right to my staffs and successfully done postmortem on the problem given.. thank u so much sir!

  • @syamprasadupputalla8233
    @syamprasadupputalla8233 3 ปีที่แล้ว +20

    First of all, hats off to your patience and passion to teach. Yes sir it is CLEAR. 😃

  • @codingwithjava7297
    @codingwithjava7297 5 ปีที่แล้ว +20

    Ur the only person who learnt the java so easily and make us confident in interview room..
    Thank you again 🙏🙏

  • @sshiv908
    @sshiv908 5 ปีที่แล้ว +3

    i wan seen 10 to 15 teachers of java both offline and online but sir u r the best!

  • @aditisaini7398
    @aditisaini7398 3 ปีที่แล้ว +1

    U r god of java seriously no one replace you. Best java teacher i found in TH-cam.

  • @nareshgajula
    @nareshgajula 11 หลายเดือนก่อน +1

    Simple and most easy and best concept explanation ever!! Many years back I have attended his class room sessions as well.
    Feels great to see his videos even now..

  • @programming5484
    @programming5484 3 ปีที่แล้ว +3

    Sir ,I cant give you respect in only two three word .
    God may bless you more than you ever had ........

  • @shubhamkumar-gw4vb
    @shubhamkumar-gw4vb 3 ปีที่แล้ว +6

    He is a legend .That's the only word i can regard him by. An inspiration to many

  • @tanvitalware9946
    @tanvitalware9946 3 ปีที่แล้ว +14

    bestest java teacher in my entire life

  • @alacrityperson9114
    @alacrityperson9114 ปีที่แล้ว +2

    Thank you Sir :) Got placed with product based company after understanding string concept .

  • @ganymedeETC
    @ganymedeETC 4 ปีที่แล้ว +5

    You really work hard sir.......Putting 6hrs video just for free(In Directly) is really worthy. THANK YOU!!!!!

  • @talhaansari5763
    @talhaansari5763 6 ปีที่แล้ว +10

    The most valuable Teacher is Only Durga Sir.
    Thank you so much Sir for enhancing my knowledge.
    i am nothing without you in Java.

    • @vikasbajpai8861
      @vikasbajpai8861 5 ปีที่แล้ว

      Waah tm B dekhte ho inhe bhai... 👌👌

  • @nisarAhmed_Syed
    @nisarAhmed_Syed 2 หลายเดือนก่อน +1

    Alhamdulillah, Preparation started for left and right, Thank you Durga Sir.

  • @visionarypath3
    @visionarypath3 หลายเดือนก่อน +2

    Thankyou sir❤Completed full video . Sir has given me very deep knowledge and the concept of String and StringBuffer although it takes 6days but it is worth it.

  • @bhaveshmadnani8646
    @bhaveshmadnani8646 3 ปีที่แล้ว +3

    GOD OF JAVA DURGA SIR. BEST TH-cam CHANNEL FOR JAVA LANGUAGE

  • @generalvideos6642
    @generalvideos6642 5 ปีที่แล้ว +35

    Durga sir is very important person to all learner's of JAVA. Thank you very much sir for teaching us😊 no one can do as much you can for us.

  • @kaushikjena409
    @kaushikjena409 2 ปีที่แล้ว +3

    I am not a student of Durga software solution but after every Java class I watch durga sir video daily. Really this Man is God in Java... 😍 you

  • @rushikesh_k8715
    @rushikesh_k8715 5 ปีที่แล้ว +6

    Amazing man .......one of the best bestest teacher ever in this world.....

  • @akshaygaikwad814
    @akshaygaikwad814 4 ปีที่แล้ว +1

    This is the best explanation of String, StringBuffer & StringBuilder on entire TH-cam. Thankyou so much Sir.

  • @avinashbattala2323
    @avinashbattala2323 4 ปีที่แล้ว +2

    Without listen your class if anybody try for real time experience then rest will be "Left and Right" only. Really your classes are useful for beginners and real time experts....I hope you will invent one new technology for our future generation one Day.

  • @Jadran2205
    @Jadran2205 5 ปีที่แล้ว +2

    Sir you are God!I watched several videos and that dont know real point to explain.By these videos you gave us logical approach and fully understanding

  • @MadaraUchiha1706_
    @MadaraUchiha1706_ 3 หลายเดือนก่อน +4

    The Java God - Mr. Durga

  • @krishnark1191
    @krishnark1191 3 ปีที่แล้ว +3

    You are the god of java sir.. hats off to your patience and the way you are explaining is easily understandable and gets stored in brain permanently... and Yes sir it is clear and we can give Left and right in the interview room :)

  • @maheswaran6628
    @maheswaran6628 2 ปีที่แล้ว +1

    Java means durga sir.....thankyou so much sir now I can give left and right to anyone asking questions about strings to me

  • @mahakuji
    @mahakuji 5 หลายเดือนก่อน +1

    I have watched this completely. I played video at 2X speed but still it took me 6 hours to complete this, as I took notes and understood all the concepts carefully. Durga sir, you are one of the best Java instructors.. Soon when I switch my job, I will start help others as well. Thank you so much sir. 😍😍

  • @vishnudumala4987
    @vishnudumala4987 4 ปีที่แล้ว +5

    Beautiful video and Awesome explanation, usually i never comment on any videos but i couldn't resist from doing so for this video.

  • @DineshKumar-uu5pr
    @DineshKumar-uu5pr ปีที่แล้ว +1

    You are not only a lecture you are a god from everyone who wants to learn java.

  • @priyankadawane4156
    @priyankadawane4156 ปีที่แล้ว +1

    Durga sir i am so so grateful to learn java from you....i never imagine that as a QA Java will be the part of my career, as i was so afraid for coding language but only because of your teaching style and content , i am now willingly learning java.. Always grateful to you sir :) Thank you so much ..

  • @klintonj4969
    @klintonj4969 5 ปีที่แล้ว +1

    He is God of JAVA. Wonderful and awesome teaching Love you sir...

  • @Rajasthan_GK_and_solved_papers
    @Rajasthan_GK_and_solved_papers 2 หลายเดือนก่อน +1

    From rajasthan
    I buyed 2 coaching course to learn java for my programmer exam
    And total waste of money
    Then I came hear they are not even 0.00000000001 % of Durga Sir ❤
    I don't know English even language problem is but i learn a lot
    More than a lot
    I love you Durga Sir for teaching me everything 🙏🙏🙏

  • @arjunkurariya2235
    @arjunkurariya2235 4 ปีที่แล้ว +5

    you are best teacher in this world...

  • @anitharednam4347
    @anitharednam4347 3 ปีที่แล้ว +1

    Sir,now I am confident to write programs in JAVA,I learn so many key concepts from ur videos

  • @shubhammangore7610
    @shubhammangore7610 3 ปีที่แล้ว +1

    Really this video completely change my view towards strings ! Sir ji ur the great!!!

  • @misraapan
    @misraapan 4 ปีที่แล้ว +8

    Sir, I don't have words to express my gratitude to you. You are simply amazing.

  • @shreyavashikar689
    @shreyavashikar689 4 ปีที่แล้ว +2

    Very detailed and accurate explanation , easy to understand , very helpful , thank you so much Durga Sir

  • @FoodieSanjana
    @FoodieSanjana 2 ปีที่แล้ว +8

    YOUR VIDEOS ARE MUCH MUCH VALUABLE AND FULL OF BASIC CONCEPTS IN DETAIL, IT FEELS LIKE I AM DOING PHD ON JAVA 🥰 Extremely beneficial than the Udemy courses I gave my time to...!!!

  • @SBMG2024
    @SBMG2024 5 ปีที่แล้ว +7

    SIr you're knowledge and the method of teaching is worth applauding.

  • @SumanthShivashankar
    @SumanthShivashankar 3 ปีที่แล้ว +1

    You have explained the concepts in simple way.I like all JAVA videos.

  • @saurabhsingh5685
    @saurabhsingh5685 5 ปีที่แล้ว +3

    Thank you durga sir... You are legend sir... You are really doing a vry kind work by sharing these videos which is vry much useful to us...

  • @mylittleworld103
    @mylittleworld103 4 ปีที่แล้ว +1

    Sir now I become big fan of you.. simply great .. hats off to you

  • @thebrocode3377
    @thebrocode3377 8 หลายเดือนก่อน +1

    outstanding explanation, now strings in java concept is saved in my string constant pool of my brain......!

  • @ankusshmandal1172
    @ankusshmandal1172 5 ปีที่แล้ว +74

    after i watching your videos, my compiler doesn't gives ERROR, It gives LEFT AND RIGHT

    • @dheerajscorefitness6981
      @dheerajscorefitness6981 4 ปีที่แล้ว +4

      Not after I watching, it is after I watch, please work on your English

    • @ankusshmandal1172
      @ankusshmandal1172 4 ปีที่แล้ว +2

      @@dheerajscorefitness6981 sorry adyapak ji🙏

    • @dheerajscorefitness6981
      @dheerajscorefitness6981 4 ปีที่แล้ว +2

      @@ankusshmandal1172 🙂 just kidding bro

    • @ankusshmandal1172
      @ankusshmandal1172 4 ปีที่แล้ว +2

      @@dheerajscorefitness6981 thanks buddy ...galti btaoge nahi toh sikhenge kaise😅🙏

    • @fasikademelash4638
      @fasikademelash4638 4 ปีที่แล้ว

      :D mine too

  • @seethalakshmi6388
    @seethalakshmi6388 4 ปีที่แล้ว +1

    No more words,i m addicted to ur teaching

  • @smithak741
    @smithak741 5 ปีที่แล้ว +2

    other than communication he is very strong in the subject.I like the way he is explaining the concepts.

  • @naziyahasan4113
    @naziyahasan4113 5 ปีที่แล้ว +7

    U r amazing with deep knowledge.. Never got this knowledge from anywhere. Good job

  • @munni4U
    @munni4U 2 ปีที่แล้ว +1

    I can see how happy his face turns when he teaches ...he is really enjoying teaching...and this is why I can also enjoy and learn it.. U r a great teacher...God bless you Sir🙏

  • @LearnWithNeeraj777
    @LearnWithNeeraj777 4 ปีที่แล้ว +2

    durga sir is not just an amazing trainer but even more better human being.. love you sir so much..

  • @Sushil2874
    @Sushil2874 4 ปีที่แล้ว +3

    After watching this 6.30 hrs of video, i can assure that now i am fully confident related to Strings in JAVA.
    Thank you so much sir..))

  • @ashishjoseph8510
    @ashishjoseph8510 2 ปีที่แล้ว +6

    Insane teaching skills🔥

  • @kshitijagaikwad882
    @kshitijagaikwad882 4 ปีที่แล้ว +1

    thank you so so so so so much sir...because of you java is now easy for us..for beginners you tutorials plays unbelievable roll.you are just superb teacher...

  • @vishalkushwaha6879
    @vishalkushwaha6879 ปีที่แล้ว +1

    Dedication of sir is on the nextLevel

  • @compchemistry9201
    @compchemistry9201 5 ปีที่แล้ว +1

    Sir I am chemistry teacher. You are the best teacher . You deserve any compliment. May Allah bless you and your family.

  • @GangabhavaniBobbaNLM
    @GangabhavaniBobbaNLM ปีที่แล้ว +1

    Thank you. BEST CHANNEL TO STUDY FOR FREE.

  • @wilfred-almeida
    @wilfred-almeida 4 ปีที่แล้ว +16

    At 0:00, I know nothing. At 06:33:06, I know everything left and right about Java Strings.

  • @rehanamulla7559
    @rehanamulla7559 ปีที่แล้ว +1

    Thank You .. for going through this wonderful session. Cleared many concept going through this, mind blowing.

  • @akshiakshith3317
    @akshiakshith3317 4 ปีที่แล้ว +2

    Tq very much sir.Because of u I got a full clarity on this concept.No other person can explain in detail like u❤️❤️❤️❤️❤️❤️

  • @sharmeelasinghaniya9866
    @sharmeelasinghaniya9866 4 วันที่ผ่านมา +1

    NO one can beat durga sir☺

  • @LalitSingh-em7yv
    @LalitSingh-em7yv 5 ปีที่แล้ว +15

    Sir, u r amazing
    Left nd right 🙂

  • @BelligerentChad
    @BelligerentChad 11 หลายเดือนก่อน +1

    The best in the business. Grateful for all this quality content. ❤

  • @knowledgeoftalk4171
    @knowledgeoftalk4171 2 ปีที่แล้ว +2

    Sir it's really very Helpful to us Sir 😊 Thanq u soooooo much Sir....By wonderful classes we r Heare....

  • @mangeshlonkar5007
    @mangeshlonkar5007 6 หลายเดือนก่อน +1

    Very nice session which gives depth knowledge of java concepts.

  • @abhishekshandilya4052
    @abhishekshandilya4052 3 ปีที่แล้ว +4

    Examples are the key for remembering the concepts eg. Bar, Bear, Rc, Kf, katrina. Now sunny has also been included in examples😂
    Sir tussi great ho, I definitely want to meet and touch your feets, grand salute to your teaching style.

  • @Icecodes
    @Icecodes 5 ปีที่แล้ว +2

    The best teacher 👨🏽‍🏫 on TH-cam

  • @shankarghimire4492
    @shankarghimire4492 3 ปีที่แล้ว +1

    Wow! You have the God gifted capability to tech Java!
    Thanks a lot for sharing such awesome contents on TH-cam!
    Cheers,

  • @riteshbisht94
    @riteshbisht94 ปีที่แล้ว +2

    GOD level Education 😍🔥

  • @AhmedKhan-gz5uc
    @AhmedKhan-gz5uc 3 ปีที่แล้ว +3

    Learning the concepts left and right👍... Liked the examples and yes the camera focus well synchronised!!!

  • @vijayaindireddy4396
    @vijayaindireddy4396 4 ปีที่แล้ว +2

    Sir u r super. J2EE technologies spring, hibernate keep videos sir.we learn Java by learning ur videos.super knowledge sir.thanks for sharing with us.

  • @kolantiramya7739
    @kolantiramya7739 ปีที่แล้ว +1

    Really i am saying
    Explaining is very very clarity sir
    Super explanation sir🙏🙏🙏🙏🙏🙏🙏
    Fantastic sir 🙏
    Mi padalaku na hrudhaya purvaka namaskaramullu sir

  • @rahulrajsaini24888
    @rahulrajsaini24888 5 ปีที่แล้ว +3

    Sir you are really a legend..Blessed to have you

  • @apoorvsharma2325
    @apoorvsharma2325 3 ปีที่แล้ว +1

    never seen such an amazing explanation .. !!! Thank you Sir

  • @ManishYadav-nq9ev
    @ManishYadav-nq9ev 2 ปีที่แล้ว +1

    Hats off to your Teaching Style.......Sir

  • @vacaylove5404
    @vacaylove5404 5 ปีที่แล้ว +10

    Great java professor, beautifully explained everything...! Thank you so much :)

  • @hatit8074
    @hatit8074 5 ปีที่แล้ว +7

    I hope no words would match the beauty of ur knowledge and explainition sir ...really awesome :) hats off to you . Thank you very much.

  • @cyberchid4687
    @cyberchid4687 3 ปีที่แล้ว +1

    You are the greatest teacher for Java and Python.

    • @DurgaSoftwareSolutions
      @DurgaSoftwareSolutions  3 ปีที่แล้ว

      Hello Sid.
      Plz contact our online team durgasoftonlinetraining@gmail.com or call us on this number +918885252627, 7207212427/28

  • @abhilashakkula6415
    @abhilashakkula6415 5 ปีที่แล้ว +1

    Durga sir, you are a really awesome teacher. no one on this earth can teach java like you. 6 hours capacity string builder object created in my brain.. THank you very much.. :)

  • @trueroller
    @trueroller 4 ปีที่แล้ว

    Thank you sir, i was got a job in java because of your wonderful lectures in you tube.

  • @maheshgharage8480
    @maheshgharage8480 3 ปีที่แล้ว +1

    The way of teaching and explanation is really great.

  • @hrishabhsingh5647
    @hrishabhsingh5647 5 ปีที่แล้ว +3

    Sir, you are Fire(Aag 🔥 ) sir, great I can't express how good you are. Thanks, Sir for such gr8 videos.

  • @jajatisahoo3831
    @jajatisahoo3831 3 ปีที่แล้ว +2

    as usual nice explanation....Standing ovation for you sir

  • @Srhnu449
    @Srhnu449 5 ปีที่แล้ว +3

    amazing teaching ... proud to be a telugate.

  • @dinanathparit4428
    @dinanathparit4428 4 ปีที่แล้ว +1

    what a amazing way of teaching I learned today from Durga Sir

  • @himanshukumar9237
    @himanshukumar9237 5 ปีที่แล้ว +4

    Thanks,
    For exceptional explanation about mentioned topics.

  • @manojpatil2457
    @manojpatil2457 3 ปีที่แล้ว +2

    Literally no one goes into Strings so deep. I read number of articles, blogs, medium posts ,stackoverflow to get clarity on no of object created in 'new' and string literal.
    But no one ,no one explained it in so detailed way. Take a bow sir...

  • @DJ-MAYA
    @DJ-MAYA 4 ปีที่แล้ว +1

    sir, you are amazing, your teaching skill is very best of best.thanks for making this kind of videos and shares your skills with us.

  • @Rb12237
    @Rb12237 4 ปีที่แล้ว +228

    This man is GOD

    • @celebritynetworthbiography
      @celebritynetworthbiography 3 ปีที่แล้ว +4

      God of programming language

    • @Intellectual_reminders
      @Intellectual_reminders 3 ปีที่แล้ว +5

      There is no doubt He is doing excellent job in teaching . but we should not compare anyone with God.

    • @sankalpsoni5021
      @sankalpsoni5021 2 ปีที่แล้ว +3

      @@Intellectual_reminders metaphor left the chat 😂

    • @malvika95
      @malvika95 2 ปีที่แล้ว

      I agree

    • @nitinawasthi8339
      @nitinawasthi8339 2 ปีที่แล้ว

      @@Intellectual_reminders your brain cells are damaged bro

  • @AKSHAYKUMARYADAV-qb1uz
    @AKSHAYKUMARYADAV-qb1uz ปีที่แล้ว +2

    Thank U sir for String, StringBuffer & StringBuilder Lecture

  • @rajkumarm25
    @rajkumarm25 3 ปีที่แล้ว +1

    Great learning! Your channel is my final destination to learn java.

  • @namratabhargava3052
    @namratabhargava3052 3 ปีที่แล้ว +1

    Thank you so much Sir..🙏
    You are the best.. best lectures I have ever seen regarding programming languages.

  • @abhishekranjan1094
    @abhishekranjan1094 3 ปีที่แล้ว +1

    Nice sir...I watched full videos.. I'm your biggest fan 😇😇😇

  • @ayushgarg7666
    @ayushgarg7666 5 ปีที่แล้ว +1

    Sir you the best java teacher. Best explanation.

  • @ssekanyorichard8068
    @ssekanyorichard8068 4 ปีที่แล้ว +1

    You are the best teacher have ever seen, thanks so much