Which exception is thrown when an array is accessed with an invalid index in Java?
Anonymous Quiz
25%
NullPointerException
69%
ArrayIndexOutOfBoundsException
6%
ArithmeticException
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Which of the following is used to handle exceptions in Java?
Anonymous Quiz
80%
try-catch block
14%
if-else block
6%
for loop
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Which class is the superclass of all exceptions in Java?
Anonymous Quiz
47%
Throwable
47%
Exception
6%
Error
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What quiz would you like to see this week?🤔
Anonymous Poll
12%
General IT
17%
HTML
5%
CSS
22%
JavaScript
17%
SQL
9%
C
3%
C#
10%
C++
6%
Other (Leave Comment)
👍4❤2🔥2👏1
List of Developer Income Ideas 💰👨🏻💻
Freelancing & Contract Work
🔹 Upwork / Fiverr / Toptal Projects
🔹 Custom Website & App Development
🔹 API Development & Integration
🔹 Web Scraping Services
🔹 Chatbot Development
🔹 Automation Scripts
🔹 WordPress Plugin Development
Product Development
🔸 SaaS (Software as a Service)
🔸 Mobile Apps with In-App Purchases
🔸 Browser Extensions
🔸 Subscription-Based Tools
🔸 AI-Powered Tools & APIs
🔸 Open-Source Sponsorships
Content Creation & Education
🔺 YouTube Tutorials
🔺 Technical Blogging
🔺 Online Courses (Udemy, Gumroad)
🔺 Paid Newsletters (Substack)
🔺 eBooks on Programming Topics
🔺 Live Coding Streams
Investments & Passive Income
💰 Selling Templates & Code Snippets
💰 Licensing Code & Libraries
💰 Selling Digital Products (UI Kits, Themes)
💰 Stock Market / Crypto Trading Bots
💰 AI Model Training & Selling
#techinfo
Freelancing & Contract Work
🔹 Upwork / Fiverr / Toptal Projects
🔹 Custom Website & App Development
🔹 API Development & Integration
🔹 Web Scraping Services
🔹 Chatbot Development
🔹 Automation Scripts
🔹 WordPress Plugin Development
Product Development
🔸 SaaS (Software as a Service)
🔸 Mobile Apps with In-App Purchases
🔸 Browser Extensions
🔸 Subscription-Based Tools
🔸 AI-Powered Tools & APIs
🔸 Open-Source Sponsorships
Content Creation & Education
🔺 YouTube Tutorials
🔺 Technical Blogging
🔺 Online Courses (Udemy, Gumroad)
🔺 Paid Newsletters (Substack)
🔺 eBooks on Programming Topics
🔺 Live Coding Streams
Investments & Passive Income
💰 Selling Templates & Code Snippets
💰 Licensing Code & Libraries
💰 Selling Digital Products (UI Kits, Themes)
💰 Stock Market / Crypto Trading Bots
💰 AI Model Training & Selling
#techinfo
🔥4👍2❤1👏1
What is the primary purpose of JavaScript in web development?
Anonymous Quiz
14%
Styling web pages
77%
Adding interactivity to web pages
9%
Managing databases
👍3
❤1🔥1
What does the typeof operator return for null?
Anonymous Quiz
14%
"object"
54%
"null"
32%
"undefined"
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Which method is used to convert a JSON string into an object?
Anonymous Quiz
35%
JSON.stringify()
39%
JSON.parse()
26%
JSON.convert()
👍2
Which built-in JavaScript method removes the last element of an array?
Anonymous Quiz
64%
pop()
20%
shift()
16%
splice()
👍2👏1
❤1🔥1
How does JavaScript handle asynchronous operations?
Anonymous Quiz
18%
By using threads
38%
By waiting for each operation to complete before moving on
44%
With callbacks, promises, and async/await
❤1🔥1
What does the reduce() method do?
Anonymous Quiz
41%
Reduces the size of an array
30%
Filters an array based on conditions
29%
Accumulates array values into a single result
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What happens if you declare the same variable twice with let in the same scope?
Anonymous Quiz
30%
It throws an error
30%
The second declaration is ignored
40%
It overrides the first declaration
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