In Java, once you set the Java array size it is fixed, and it can’t be changed. This puts Java in sharp contrast to other programming languages like JavaScript where arrays resize dynamically.

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 ...

Java performance programming: Read the whole series! Part 1. Learn how to reduce program overhead and improve performance by controlling object creation and garbage collection Part 2. Reduce ...

This post explains how to use loops in Java. Learn for loops, while loops, do while, break, and continue. All without going loopy!

Java 8 introduced a new list () method in java.nio.file.Files. The list method returns a lazily populated Stream of entries in the directory. As such, it is more efficient for processing large ...

In Java, we can implement whatever sorting algorithm we want with any type. Using the Comparable interface and compareTo() method, we can sort using alphabetical order, String length, reverse ...