Java’s garbage collection features tend to confuse new developers. I wrote this two-part series on garbage collection to dispel that confusion. Part 1 introduced you to garbage collection, explored ...

I want to have a very large hash table, i.e. so big it won't fit into memory. What's a good way to do that? I could use a database, but since it's only going to be key => value pairs that I am storing ...

While the Hashtable was part of the initial Java release over two decades ago, the HashMap is the correct key-value store to use today. One key HashMap vs. Hashtable difference is the fact that the ...

Java Foundation Classes (JFC) offer a rich selection of components for building smart and interactive graphical user interfaces (GUIs). You can display tabular data using the javax.swing.JTable class.

In Windows PowerShell, you most likely have used arrays and hash tables. The latter is simply a different kind of an array called an associative array. When using arrays, you may have a requirement to ...