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Home /java

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Vipinkv
Vipinkv

Vipinkv

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Vipinkv
Asked: August 3, 2021In: Programming Related

Best Programming Language To Learn in 2021?

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I’m planning to join an online course for programing. It would be really helpful if someone could suggest some of the best programming languages to learn in 2021, Please also mention the best programming language to learn accroding to your ...Read more

I’m planning to join an online course for programing. It would be really helpful if someone could suggest some of the best programming languages to learn in 2021, Please also mention the best programming language to learn accroding to your opinion.

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best programing languagebest programing languagesc#javaprogramingprograming languageprograming languagespython
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Namrata Podder
Namrata Podder

Namrata Podder

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Namrata Podder
Asked: October 12, 2020In: Java

java. lang. NullPointerException

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I’m getting this java. lang. NullPointerException when ever I try to call a function from the class array I created. For example: A[] arr = new A[10] //Error occurs when I execute this line below arr[0].methodName() Can anyone tell me why ...Read more

I’m getting this java. lang. NullPointerException when ever I try to call a function from the class array I created.
For example:
A[] arr = new A[10]

//Error occurs when I execute this line below
arr[0].methodName()

Can anyone tell me why am I getting this error?

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codingjava
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harrywilson
harrywilson

harrywilson

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harrywilson
Asked: September 29, 2020In: Programming Related

Which is the best programming language to learn right now?

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I really wish to start learning a programming language right now. Which one has the highest scope for future? Please mention the easiest one too

I really wish to start learning a programming language right now. Which one has the highest scope for future? Please mention the easiest one too

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best programming languagec#javalearn programmingphytonprogramming language
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Pooja Jakhar
Pooja Jakhar

Pooja Jakhar

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Pooja Jakhar
Asked: September 25, 2020In: Java

what java is used for ?

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I don’t have programming background but I am curious to know about Java. I want to know what is Java mainly used for?

I don’t have programming background but I am curious to know about Java.

I want to know what is Java mainly used for?

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javajava codingjava languagejava learningjava programmingjavascriptwhat java is used forwhat javascript
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Janhavi
Janhavi

Janhavi

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Janhavi
Asked: September 4, 2020In: Programming Related

C++ Versus java which is better c++ vs java

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i want to learn a computer course,and which one do you think its good to learn,c ++ or java, . in c++ vs Java which actually wins???

i want to learn a computer course,and which one do you think its good to learn,c ++ or java, . in c++ vs Java which actually wins???

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c#c++ or javac++ vs javac++ vs java which is betterjava
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Hardik
Hardik

Hardik

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Hardik
Asked: September 1, 2020In: Programming Related

Which language should I learn first: JavaScript or PHP?

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So, I was wondering which language I should learn first PHP or JavaScript, if I would like to develop great applications like facebook, snapchat etc.

So, I was wondering which language I should learn first PHP or JavaScript, if I would like to develop great applications like facebook, snapchat etc.

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javaphpprogramming language
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Anonymous
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Anonymous
Asked: August 29, 2020In: Java

From where to start learning JAVA?

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I know almost all programming language but never learned java. I don’t even know badics. If I want to learn JAVA by myself, from where to start and in which manner? Suggest good videos or books, if any.

I know almost all programming language but never learned java. I don’t even know badics. If I want to learn JAVA by myself, from where to start and in which manner? Suggest good videos or books, if any.

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javalearn
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Aniya
Aniya

Aniya

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Aniya
Asked: July 31, 2020In: Java

How to solve null pointers should not be dereferenced sonar fix

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Java Rule ‘Null pointers should not be dereferenced’ and my sonar version is SonarLint IntelliJ 4.0.0.2916 I’m getting the following error java null exception specifically “fault in the next code when obj can’t be null in any scenario. Seems the analizer ...Read more

Java Rule ‘Null pointers should not be dereferenced’ and my sonar version is SonarLint IntelliJ 4.0.0.2916

I’m getting the following error java null exception specifically “fault in the next code when obj can’t be null in any scenario. Seems the analizer don’t recognice the logic with the funcional object Optional”.

final Obj obj = Optional.ofNullable(oldObj).orElse(new Obj());

if (obj.getSomeProperty() == null) {

Im using null to validate but why is this error “null pointers should not be dereferenced sonar” can anyone help me fix this error….

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fix java errorsfix null pointer exceptionjavajava errorsnull pointer exception javanull pointers should not be dereferenced
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