We've tested and reviewed both free and paid-for antivirus software. We bombarded each one with tens of thousands of threats to see how well they could withstand viruses, ransomware and phishing ...

Implemented features like add, search, issue, return, and delete books. Used ArrayList and file handling for data storage, with exception handling for robust and reliable performance.

Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once. The relative order of the elements should be kept the same.