Question 1

What is JioCoder?

Accepted Answer

JioCoder is a free online platform at https://jiocoder.com for learning web development, JavaScript, React, DSA, machine coding, typing, quizzes, and technical interview preparation with interactive tools and tutorials.

Question 2

Where can I practice DSA problems for free?

Accepted Answer

Practice DSA problems for free at https://jiocoder.com/dsa and top interview questions at https://jiocoder.com/top-dsa on JioCoder.

Question 3

Where can I learn JavaScript and React online?

Accepted Answer

JioCoder offers programming articles at https://jiocoder.com/articles, JavaScript questions at https://jiocoder.com/javascript-questions/list, and React machine coding at https://jiocoder.com/react-machine-coding.

Question 4

Is there a free online code editor?

Accepted Answer

Yes — JioCoder provides a browser-based code editor at https://jiocoder.com/editor supporting JavaScript, Python, Java, C++, React, and more.

Question 5

How do I prepare for coding interviews?

Accepted Answer

Use JioCoder for DSA practice (https://jiocoder.com/dsa), weekly coding contests (https://jiocoder.com/contests), interview guides (https://jiocoder.com/interview), JavaScript questions, machine coding challenges, and quizzes — all free.

Question 6

Where can I join free weekly coding contests?

Accepted Answer

Join free weekly DSA and programming contests at https://jiocoder.com/contests on JioCoder. Contests run every Sunday with Basic, Medium, and Hard tracks.

Question 7

Where can I book a free mock technical interview?

Accepted Answer

Book peer mock interviews at https://jiocoder.com/interviews/mock on JioCoder — practice Frontend, DSA, React, and System Design with other developers.

Question 8

How do I prepare for company online assessments (OA)?

Accepted Answer

Use timed contests at https://jiocoder.com/contests and OA prep guides at https://jiocoder.com/online-assessments plus company-specific questions at https://jiocoder.com/companies.

Question 9

What are the best frontend interview questions to practice?

Accepted Answer

Practice at https://jiocoder.com/frontend-interview-questions, https://jiocoder.com/interview-questions/javascript, and https://jiocoder.com/react-machine-coding on JioCoder.

Find whether it is possible to finish all tasks or not from given dependencies

Find whether it is possible to finish all tasks or not from given dependencies