NULL & NullPointerException | Java Tutorial | By Mr.Hari Krishna

///NULL & NullPointerException | Java Tutorial | By Mr.Hari Krishna

NULL & NullPointerException | Java Tutorial | By Mr.Hari Krishna

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Java Tutorial: By Mr.Hari Krishna
Core Java Course Topic: NULL & NullPointerException

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#nullpointerexception #javatutorial #corejava #corejavacourse #corejavatraining

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By |2019-10-27T23:33:43+00:00October 27th, 2019|Java Video Tutorials|44 Comments

44 Comments

  1. Naresh i Technologies October 27, 2019 at 11:33 pm - Reply

    Please Comment, Subscribe and Click BellπŸ””πŸ””πŸ”” Icon for More Updates. To learn software course from our experts please register here for online training: https://goo.gl/HIB0wL

  2. Er prince kumar ojha October 27, 2019 at 11:33 pm - Reply

    Very nice video sir i am proud of you.

    I am from bihar motihari jila.

    Thanks u for upload this video

    To teach

  3. Pratyush Panigrahy October 27, 2019 at 11:33 pm - Reply

    sir Type mismatch error comming sir

  4. Piyush Dwivedi October 27, 2019 at 11:33 pm - Reply

    Very nice sir

  5. mano g October 27, 2019 at 11:33 pm - Reply

    Compilation Error: Cannot convert from null to int(data types)

    java.Lang.error

  6. ARUN PRATAP SINGH October 27, 2019 at 11:33 pm - Reply

    Thank you sir toady I got null & nullPointerException concept really very good
    Thanks again sir

  7. Hima Ts October 27, 2019 at 11:33 pm - Reply

    Cannot find null pointer exception video..in the end you said about continuing in next video..

  8. man creations October 27, 2019 at 11:33 pm - Reply

    Sir, int is data type but u said is class how sir

  9. JD Groups October 27, 2019 at 11:33 pm - Reply

    HK SIR……WONDERFULL EXPLANATION SIR…

    NO ONE CROSS YOUR KNOWLEDGE THAN U SIR….

    –JD SARKAR (ONGOLE) YOUR STUDENT SIR

  10. shivankit shekhar October 27, 2019 at 11:33 pm - Reply

    we need more videos sir plss

  11. Yogi Reddy October 27, 2019 at 11:33 pm - Reply

    Incompatible type null can't be convert into integer ,string can't be convert into integer

  12. it,s ok October 27, 2019 at 11:33 pm - Reply

    error: incompatible types: <null> cannot be converted to int
    int i1=null;
    error: incompatible types: String cannot be converted to int
    int i2="hk";

  13. 123 123 October 27, 2019 at 11:33 pm - Reply

    where is the 2-nd part of this video?

  14. 123 123 October 27, 2019 at 11:33 pm - Reply

    good tutorial.

  15. NARESH Royals October 27, 2019 at 11:33 pm - Reply

    Before null we have to use cast operator to avoid ambitious errors
    Like
    System.out.println((String)null);
    System.out.println((Integer)null);
    System. out.println((int[ ] null);

  16. NARESH Royals October 27, 2019 at 11:33 pm - Reply

    Null is a any referenced type literal that type should be array,class, interface,enum,annotation.
    Null used to avoid compile time errors. To assigning variable, using null but don't use directly at object level only we r using referenced type of null .

  17. NARESH Royals October 27, 2019 at 11:33 pm - Reply

    Thank you so much sir!

  18. NARESH Royals October 27, 2019 at 11:33 pm - Reply

    Thank you 4 giving u r subject on YouTube

  19. Md Jainoddin October 27, 2019 at 11:33 pm - Reply

    sir please upload the next video related to Null pointer Exception

  20. subhashree nayak October 27, 2019 at 11:33 pm - Reply

    Sir Please upload the last 2 points video.. Waiting for the next video of null and null pointer exception.. Please sir upload more videos as possible… It makes our career…

  21. ravi tez October 27, 2019 at 11:33 pm - Reply

    Hi,May I please know how much do u charge for core java and advance java online training course.
    Many thanks

  22. sohail siddiqui October 27, 2019 at 11:33 pm - Reply

    Sir have u made any video to use null

  23. sohail siddiqui October 27, 2019 at 11:33 pm - Reply

    An instance of type null cannot be of type int

  24. Die_ noskiller October 27, 2019 at 11:33 pm - Reply

    numbere tre intrerface

  25. Binay Rai October 27, 2019 at 11:33 pm - Reply

    Good job sir keep it up

  26. V.Sunil Kumar October 27, 2019 at 11:33 pm - Reply

    Sir, in this video you have explained about only null and what about NullPointerException related points.. you have said, in continuous of this video we will discuss about it but i am not able to find that continuous video

  27. laloo kumar October 27, 2019 at 11:33 pm - Reply

    Superb explanation sir ji…

  28. RANJEET KUMAR October 27, 2019 at 11:33 pm - Reply

    Sir please upload next video of null And NullpointerException.

  29. RANJEET KUMAR October 27, 2019 at 11:33 pm - Reply

    Sir ,i am your student. My class time 9 O'clock morning . sir you gave one assignement for solve .i did solve my ans is……
    int i1=null;–>CE:incompatible types: <null> cannot be converted to int
    int i2="HK"—>CE:incompatible types: String cannot be converted to int

  30. abhi shek October 27, 2019 at 11:33 pm - Reply

    how boring…lol….hahahaha

  31. JAYA KRISHNA ANKAM October 27, 2019 at 11:33 pm - Reply

    greetings!!
    String and null can not be converted into int type…..

  32. vivek Verma October 27, 2019 at 11:33 pm - Reply

    its good video thnx sir but second video I want to see? plz upload as soon as possible

  33. sailendranath chavali October 27, 2019 at 11:33 pm - Reply

    error: incompatible types: <null> cannot be converted to int
    int i1 = null;
    error: incompatible types: <null> cannot be converted to int
    int i2 = null;

  34. CHANDAN KUMAR SAHU October 27, 2019 at 11:33 pm - Reply

    int i1=null// incompatible types: <null> cannot be converted to int
    int i2="HK"//incompatible types: String cannot be converted to int

  35. priyanshu prajapati October 27, 2019 at 11:33 pm - Reply

    null , is not specific to any data type . It does not fall under the range of any datatype because it does not presents any data as it is used to represent nothing. If you want to store nothing use null. So main point is that null can be used for class, enum, annotation, array, interface, but it is has to be tell explicitly .

  36. MUKESH KUMAR October 27, 2019 at 11:33 pm - Reply

    Enjoying sir as usual whenever i listen to you..such a wonderful explanation..Thank you sir.
    incompatible types: <null> cannot be converted to int
    int i1=null;
    ^
    incompatible types: String cannot be converted to int
    int i2="HK";
    ^

  37. Trupti Raut October 27, 2019 at 11:33 pm - Reply

    int i1=null; CE:-incompatible type ,,, null can't converted into int.
    int i2="HK"; CE:-incompatible type,,,,,string can't converted into int.
    Thank you sir , for this wonderful explanation plz explain and share more videos like this

  38. kumar kaushal October 27, 2019 at 11:33 pm - Reply

    which datatype of null ?,store which data type

  39. Prameshwar jadhav October 27, 2019 at 11:33 pm - Reply

    great sir…..Very good explanation

  40. Jayesh Pandey October 27, 2019 at 11:33 pm - Reply

    Thank you sir…wonderful explanation…i'm eagerly waiting for next video of this topic.

  41. Jayesh Pandey October 27, 2019 at 11:33 pm - Reply

    int i1=null;->CE:incompatible types: <null> cannot be converted to int
    int i2="HK"—>CE:incompatible types: String cannot be converted to int
    sir , if String of referenced type can not be converted to primitive type int & also null of (……………) can not be converted to primitive type int.
    here i wrote blank_space to fill the the type of <null>. So if you carefully observe in errors, you will get to know…<null> and String can not be converted to primitive type int and String belongs to referenced type so <null> is of referenced type…
    Thanks.

  42. Nikhil Jain October 27, 2019 at 11:33 pm - Reply

    hello sir, and thanks for another extra ordinary explanation . can you plz give a lecture on "Jvm inside proccess" bcoz i missed that class .

    regarding nikhil jain.

  43. Krishna krish October 27, 2019 at 11:33 pm - Reply

    Sir you are completely filled with "JVM Thoughts".
    How you are Playing with JVM sir please say sir…..
    Because mi head lo inni JVM tricks ela unnayi sir
    Hats off Sir.. sorry Hats off "JVM Thoughts Sir".

  44. Pankaj kumar October 27, 2019 at 11:33 pm - Reply

    super explanation

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