Trending questions in Java

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Getting java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory exception

I am getting this exception when I ...READ MORE

May 18, 2022 in Java by Kichu
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Clickable span not calling javascript even though w3school example works

I have a clickable span element that ...READ MORE

Apr 13, 2022 in Java by Rahul
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java.lang.NumberFormatException: null i

I am getting this error while doing ...READ MORE

May 13, 2022 in Java by Kichu
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How to round up integer division and have int result in Java?

I am working on a code to ...READ MORE

May 5, 2022 in Java by Kichu
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Eclipse "Error: Could not find or load main class"

I have a project on my laptop ...READ MORE

May 7, 2022 in Java by narikkadan
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jQuery UI " $("#datepicker").datepicker is not a function"

I struggled with a similar problem for ...READ MORE

Feb 17, 2022 in Java by Soham
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Uncaught TypeError: Cannot read property 'value' of null

As you have not shared your HTML ...READ MORE

Feb 22, 2022 in Java by Aditya
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements from an ArrayList

I wanted to iterate over an ArrayList ...READ MORE

May 23, 2022 in Java by Kichu
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Converting Java objects to JSON with Jackson

I need my JSON to be like ...READ MORE

May 23, 2022 in Java by Kichu
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Error:No EntityManager with actual transaction available for current thread - cannot reliably process 'persist' call

Hii @kartik, If you have @Transactional // Spring Transactional class ...READ MORE

May 22, 2020 in Java by Niroj
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What is a IOException, and how do I fix it?

What is causing java.io.IOException? What does it ...READ MORE

May 19, 2022 in Java by Kichu
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Error: Could not find or load main class org.testng.remote.RemoteTestNG

This worked for me: Right click on your ...READ MORE

Feb 16, 2022 in Java by Aditya
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java.net.SocketException: Connection reset

I was having an error when I ...READ MORE

May 8, 2022 in Java by Kichu
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded

When I execute my JUnit tests I am getting ...READ MORE

May 15, 2022 in Java by Kichu
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What is "String args[]"? parameter in main method Java

I am a beginner in java and ...READ MORE

May 15, 2022 in Java by Kichu
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Can I override and overload static methods in Java?

My questions are: Why can't static methods be ...READ MORE

May 15, 2022 in Java by Kichu
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java.lang.classnotfoundexception: com.mysql.jdbc.driver

I assume that your mysql connectivity library ...READ MORE

Feb 8, 2022 in Java by Soham
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How to set XML Attribute inside XML Element in Java Pojo Class - JAVX

How can I get this Output Response? <Response> ...READ MORE

Apr 19, 2022 in Java by Rahul
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How to decode jwt token in javascript without using a library?

How can I decode the payload of ...READ MORE

Apr 21, 2022 in Java by Rahul
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The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path [duplicate]

I have a project created by Maven ...READ MORE

Apr 21, 2022 in Java by Rahul
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Bootstrap 4 multiselect dropdown

Due to the reason being that the ...READ MORE

Feb 22, 2022 in Java by Aditya
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Int division: Why is the result of 1/3 == 0?

I ran this code and got the result ...READ MORE

May 9, 2022 in Java by Kichu
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Can an outer class access the members of inner class?

If the inner class is defined as ...READ MORE

May 9, 2022 in Java by Kichu
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How do I check if a string contains a substring in Java?

Hi@akhtar, The first and foremost way to check ...READ MORE

Dec 30, 2020 in Java by MD
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How do I resolve the "java.net.BindException: Address already in use: JVM_Bind" error?

If you are aware about what port ...READ MORE

Feb 22, 2022 in Java by Aditya
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1 answer

Javascript require() function giving ReferenceError: require is not defined

RequireJS is a JavaScript file and module ...READ MORE

Feb 17, 2022 in Java by Aditya
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window.location.href and window.open () methods in JavaScript

What is the difference between window.location.href and ...READ MORE

Apr 26, 2022 in Java by Rahul
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What is a NullPointerException, and how do I fix it?

What are Null Pointer Exceptions (java.lang.NullPointerException) and ...READ MORE

Apr 26, 2022 in Java by Rahul
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testingtesttest

This category is home to all kinds ...READ MORE

Apr 26, 2022 in Java by anonymous
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2 answers

What is the difference between Set and List in java?

List is an ordered sequence of elements. ...READ MORE

Apr 26, 2018 in Java by Akrati
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When to use LinkedList over ArrayList in Java?

I've always been one to simply use: List<String> ...READ MORE

Apr 26, 2022 in Java by Rahul
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Convert integer to string

Given a number: int number = 1234; Which would ...READ MORE

Apr 26, 2022 in Java by Rahul
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What are the differences between a HashMap and a Hashtable in Java?

What are the differences between a HashMap and a Hashtable in ...READ MORE

Apr 26, 2022 in Java by Rahul
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Start script missing error when running npm start

It seems that there is an undefined ...READ MORE

Feb 10, 2022 in Java by Soham
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What is the default access specifier in Java?

I just started reading a Java book ...READ MORE

Apr 26, 2022 in Java by Rahul
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How do you use the ? : (conditional) operator in JavaScript?

In simple words, what is the ?: ...READ MORE

Apr 26, 2022 in Java by Rahul
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Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?

Java doesn't allow multiple inheritance, but it ...READ MORE

Apr 26, 2022 in Java by Rahul
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nodemon command is not recognized in terminal for node js server

You need to install it globally npm install ...READ MORE

Feb 17, 2022 in Java by Aditya
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public static void main(String arg[ ] ) in java is it fixed?

I was recently asked in an exam ...READ MORE

Apr 19, 2022 in Java by Rahul
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Reversing an Array in Java [duplicate]

If I have an array like this: 1 ...READ MORE

Apr 21, 2022 in Java by Rahul
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Data access object (DAO) in Java

I was going through a document and ...READ MORE

Apr 19, 2022 in Java by Rahul
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How do I "decompile" Java class files? [closed]

What program can I use to decompile ...READ MORE

Apr 21, 2022 in Java by Rahul
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Comparing java.utilDate with LocalDate in java

I have a method wherein have to ...READ MORE

Apr 21, 2022 in Java by Rahul
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How to split a string in Java

I have a string, "004-034556", that I want ...READ MORE

Apr 21, 2022 in Java by Rahul
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Java inner class and static nested class

What is the main difference between an ...READ MORE

Apr 21, 2022 in Java by Rahul
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Unscramble Letters in Java - Get all possible combinations of the letters

I am currently an AP Computer Science ...READ MORE

Apr 13, 2022 in Java by Rahul
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What is a JavaBean exactly?

I understood, I think, that a "Bean" ...READ MORE

Apr 19, 2022 in Java by Rahul
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For-each over an array in JavaScript

How can I loop through all the ...READ MORE

Apr 19, 2022 in Java by Rahul
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How do I declare and initialize an array in Java?

How do I declare and initialize an ...READ MORE

Apr 19, 2022 in Java by Rahul
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Simplest and understandable example of volatile keyword in Java

I'm reading about volatile keyword in Java and completely ...READ MORE

Apr 19, 2022 in Java by Rahul
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