The Remainder Operator Works on Doubles in Java
The remainder operator is a staple in Java, but did you know it works on doubles as well? Now, you know!
Yet Another Way to Learn Recursion
As someone who covers a lot of beginner concepts, I’ve always sort of avoided one of the trickier concepts: recursion. Well, today I decided to take a stab at it.
The Difference Between Statements and Expressions
Today, I want to talk about the difference between statements and expressions in Computer Science and why ignoring that distinction has consequences.
It’s Okay to Test Private Methods
Usually, I try not to write too many opinion pieces about code, but I felt like I should mention that it’s okay to test private methods.
Be Careful When Copying Mutable Data Types
As with many posts in this series, I’m interested in examining some of the pitfalls when learning to code. Today, we’ll cover the pitfalls when copying mutable data types.
The Behavior of `i = i++` in Java
Recently, one of my students just introduced me to `i = i++`. Care to guess how it works? It’s probably not what you think.
Rock Paper Scissors Using Modular Arithmetic
Forget endless if statements! It’s time to solve Rock Paper Scissors using modular arithmetic in Python.
The `else if` Keyword Doesn’t Exist in Java
Recently, I found out that the `else if` keyword doesn’t exist. To put it bluntly, you’re going to want to read this one.
Be Careful with String’s Substring Method in Java
As a teacher, I like to warn my students of the various pitfalls in computer science. Today, let’s talk about Java’s substring method.
Be Careful with Scanner Methods in Java
Sometimes it’s fun to make an interactive application with Scanner. Unfortunately, we have to be careful with Scanner methods.