Trending questions in Java

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Editor does not contain a main type in Eclipse

I have 64-bit ubuntu where I downloaded ...READ MORE

May 19, 2022 in Java by Kichu
 • 19,050 points • 2,322 views
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java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 exception

I am getting the error java.lang.IndexOutOfBoundsException: Index: ...READ MORE

May 17, 2022 in Java by Kichu
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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
 • 9,700 points • 5,936 views
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Is hiding implementation detail Encapsulation or Abstraction?

I have seen some people defining abstraction ...READ MORE

May 6, 2022 in Java by narikkadan
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Could not connect to SMTP host: smtp.gmail.com, port: 465, response: -1

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

May 20, 2022 in Java by Kichu
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Javamail Could not convert socket to TLS GMail

I want to send an email using ...READ MORE

May 2, 2022 in Java by Kichu
 • 19,050 points • 2,650 views
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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
 • 7,680 points • 5,530 views
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1 answer

could not find module "@angular-devkit/build-angular"

The mode must be changed to Dev ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 6,094 views
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1 answer

Bootstrap 4 multiselect dropdown

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

Feb 22, 2022 in Java by Aditya
 • 7,680 points • 5,377 views
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CCAvenue Payment Error code 10002 Merchant Authentication failed. Don't worry... It happens to the best of us

I used the code which is provided ...READ MORE

May 24, 2022 in Java by Kichu
 • 19,050 points • 1,484 views
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1 answer

Google AJAX Libraries CDN for jQuery

The Google Hosted Libraries is a stable, ...READ MORE

May 30, 2022 in Java by gaurav
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java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver

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

May 7, 2022 in Java by narikkadan
 • 63,700 points • 2,144 views
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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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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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Error occurred during initialization of boot layer FindException: Module not found

I executed this command line: java --module-path bin ...READ MORE

May 13, 2022 in Java by Kichu
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exposed beyond app through ClipData.Item.getUri

To solve this ERROR you need to ...READ MORE

Feb 16, 2022 in Java by Aditya
 • 7,680 points • 5,171 views
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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
 • 63,700 points • 1,710 views
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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
 • 19,050 points • 1,184 views
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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
 • 7,680 points • 4,780 views
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keytool error Keystore was tampered with, or password was incorrect

When I generate certificates on my local ...READ MORE

May 19, 2022 in Java by Kichu
 • 19,050 points • 1,063 views
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How can I fix 'android.os.NetworkOnMainThreadException'?

When I run the Android project for ...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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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
 • 19,050 points • 441 views
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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
 • 19,050 points • 775 views
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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
 • 19,050 points • 223 views
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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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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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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
 • 19,050 points • 336 views
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Angular JS Uncaught Error: [$injector:modulerr]

 The answer to your question is simple ...READ MORE

Feb 18, 2022 in Java by Aditya
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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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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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Start script missing error when running npm start

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

Feb 10, 2022 in Java by Soham
 • 9,700 points • 4,140 views
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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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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
 • 7,680 points • 3,652 views
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4 answers

“Cannot find symbol” compilation error

The "Cannot find symbol" errors generally occur when you ...READ MORE

Dec 16, 2020 in Java by Gitika
 • 65,910 points • 41,946 views
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1 answer

Does Java have a "IN" operator or function like SQL? [duplicate]

The Java language is designed to be ...READ MORE

Feb 2, 2022 in Java by Vaani
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edited Jun 22, 2023 by Khan Sarfaraz • 4,184 views
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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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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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Convert integer to string

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

Apr 26, 2022 in Java by Rahul
 • 3,380 points • 290 views
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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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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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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
 • 3,380 points • 265 views
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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
 • 3,380 points • 261 views
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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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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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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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