Get the Preplance app for a seamless learning experience. Practice offline, get daily streaks, and stay ahead with real-time interview updates.
Get it on
Google Play
4.9/5 Rating on Store
HCL · Java
Practice Java questions specifically asked in HCL interviews – ideal for online test preparation, technical rounds and final HR discussions.
Questions
2
Tagged for this company + subject
Company
HCL
View company-wise questions
Subject
Java
Explore topic-wise practice
Go through each question and its explanation. Use this page for targeted revision just before your HCL Java round.
PECS: Producer Extends, Consumer Super. If you read items from a structure, use ? extends T. If you insert items into it, use ? super T. This preserves type safety with variance.
For complete preparation, combine this company + subject page with full company-wise practice and subject-wise practice. You can also explore other companies and topics from the links below.
ForkJoinPool keeps per-worker deques; when a worker runs out of local tasks, it steals from the tail of another's deque, reducing contention and balancing work for divide-and-conquer algorithms.