Most viewed questions in Java

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How do you reverse a string in-place in JavaScript?

Without utilizing built-in methods (.reverse(),.charAt(), etc.), how ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 286 views
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Why does my JavaScript code receive a "No 'Access-Control-Allow-Origin' header is present on the requested resource" error, while Postman does not?

I'm attempting to provide authorisation using JavaScript by connecting to the RESTful API integrated into Flask.  However, when I make the request, I receive the following error: XMLHttpRequest cannot load http://myApiUrl/login. No 'Access-Control-Allow-Origin' header ...READ MORE

Sep 20, 2022 in Java by Nicholas
 • 7,760 points • 286 views
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How do I declare and initialize an array in Java?

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

Feb 8, 2022 in Java by Edureka
 • 120 points • 285 views
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Best place to insert JavaScript within a HTML document

Where should the javascript code go? ...READ MORE

Dec 6, 2022 in Java by Nicholas
 • 7,760 points • 284 views
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What is property in hasOwnProperty in JavaScript?

Consider: if (someVar.hasOwnProperty('someProperty') ) { // Do something(); } ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 284 views
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How to write palindrome in JavaScript

I'm wondering how to construct a palindrome ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 284 views
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How do I declare and initialize an array in Java?

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

Aug 11, 2022 in Java by krishna
 • 2,820 points • 283 views
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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
 • 3,380 points • 283 views
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What is the JavaScript version of sleep()?

JavaScript has evolved significantly since the time ...READ MORE

Feb 18, 2022 in Java by Aditya
 • 7,680 points • 281 views
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What is the use of the JavaScript 'bind' method?

What is the use of bind() in ...READ MORE

Nov 17, 2022 in Java by Nicholas
 • 7,760 points • 279 views
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creating list of objects in Javascript

Is it feasible to make a list ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 279 views
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1 answer

How do I declare and initialize an array in Java?

To declare and initialize an array in ...READ MORE

Jun 22, 2023 in Java by Khan Sarfaraz
• 700 points • 274 views
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What is event bubbling and capturing?

What is the distinction between event bubbling ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 273 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
 • 3,380 points • 273 views
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Where is Java's Array indexOf?

I am not able to find it. ...READ MORE

Aug 12, 2022 in Java by krishna
 • 2,820 points • 272 views
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how to sort 2d array in java ?

Nov 29, 2023 in Java by Evanjalin
 • 360 points • 271 views
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Which is better: <script type="text/javascript">...</script> or <script>...</script>

Which is more effective or convenient  ...READ MORE

Dec 9, 2022 in Java by Nicholas
 • 7,760 points • 270 views
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1 answer

how to run java program in notepad?

To run a Java program in Notepad: Write ...READ MORE

Oct 17, 2023 in Java by anonymous
 • 520 points • 266 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
 • 19,050 points • 266 views
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Arrays of different types

Is it possible to have an array ...READ MORE

Aug 8, 2022 in Java by krishna
 • 2,820 points • 265 views
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How to check if an object is a Promise?

Whether it's an ES6 Promise, a Bluebird ...READ MORE

Dec 6, 2022 in Java by Nicholas
 • 7,760 points • 264 views
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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
 • 19,050 points • 264 views
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1 answer

what is jsx in react

JSX (JavaScript XML) in React is a ...READ MORE

Oct 25, 2023 in Java by Aditya
 • 263 views
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window.onload vs document.onload

Which is more popular: window.onload or document.onload? READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 263 views
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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
 • 3,380 points • 263 views
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Where is array's length property defined?

As you know, to determine the length ...READ MORE

Aug 12, 2022 in Java by krishna
 • 2,820 points • 261 views
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What is TypeScript and why would I use it in place of JavaScript?

Could you kindly explain the TypeScript language? What ...READ MORE

Nov 16, 2022 in Java by Nicholas
 • 7,760 points • 260 views
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1 answer

How to convert string to char array in Java?

In Java, you can convert a `String` ...READ MORE

Nov 2, 2023 in Java by anonymous
 • 3,320 points • 259 views
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1 answer

What is garbage collection in the context of Java?

Garbage collection in the context of Java ...READ MORE

Oct 16, 2023 in Java by anonymous
 • 3,320 points • 257 views
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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 • 257 views
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What is lexical scope?

What is a concise overview of lexical ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 255 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 • 255 views
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How can I validate an email address in JavaScript?

To avoid the most basic mistyping, I'd ...READ MORE

Sep 20, 2022 in Java by Nicholas
 • 7,760 points • 254 views
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Change date format in a Java string

I've a String representing a date. String date_s = "2011-01-18 ...READ MORE

Apr 14, 2022 in Java by Rahul
 • 3,380 points • 254 views
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What's the best way to convert a number to a string in JavaScript?

What method is the "best" for convert ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 252 views
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1 answer

testingtesttest

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

Apr 26, 2022 in Java by anonymous
 • 300 points • 252 views
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What is the !! (not not) operator in JavaScript?

I saw some code that seems to ...READ MORE

Apr 13, 2022 in Java by Rahul
 • 3,380 points • 251 views
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Testing questions and answer

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

Feb 24, 2022 in Java by anonymous
 • 120 points • 250 views
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What is the difference between ' and " in JavaScript?

When creating strings in JavaScript, the character'or ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 247 views
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What is DOM Event delegation?

Can anyone please explain event delegation in ...READ MORE

Nov 16, 2022 in Java by Nicholas
 • 7,760 points • 246 views
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How is a JavaScript hash map implemented?

I'm using OpenLayers right now and need ...READ MORE

Dec 7, 2022 in Java by Nicholas
 • 7,760 points • 245 views
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How to make a new List in Java

We create a Set as: Set myset = new HashSet() How ...READ MORE

Apr 14, 2022 in Java by Rahul
 • 3,380 points • 244 views
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What is the !! (not not) operator in JavaScript?

I encountered some code that appears to ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 243 views
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1 answer

How to convert decimal to binary in java?

In Java, you can convert a decimal ...READ MORE

Dec 13, 2023 in Java by John
 • 240 views
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1 answer

Why Java does not support multiple inheritance?

Java does not support multiple inheritance through ...READ MORE

Oct 23, 2023 in Java by anonymous
 • 3,320 points • 240 views
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Multidimensional Arrays lengths in Java

How can I determine the lengths of ...READ MORE

Aug 8, 2022 in Java by krishna
 • 2,820 points • 239 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
 • 3,380 points • 238 views
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How do I link a JavaScript file to a HTML file?

How should a JavaScript file be linked ...READ MORE

Dec 6, 2022 in Java by Nicholas
 • 7,760 points • 237 views
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How does the Java 'for each' loop work?

Consider: List<String> someList = new ArrayList<String>(); // add "monkey", ...READ MORE

Apr 19, 2022 in Java by Rahul
 • 3,380 points • 237 views
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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
 • 3,380 points • 236 views
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