Data structures and algorithms in Java, Part 2 introduced a variety of techniques for searching and sorting one-dimensional arrays, which are the simplest arrays.

Imagine that your typical Java array is an Excel spreadsheet. Were that the case, you’d have created a table with just a single column. We might consider it a “one dimensional” database, in ...

TL;DR How do I compare two two-dimensional arrays to remove duplicates based on one column?I have a script that runs every 27 hours. It ping sweeps the network and puts hosts that respond to pings ...