Blog
Page 764 of my articles, tutorials, and thoughts
Latest Articles
"Must Override a Superclass Method" Errors after importing a project into Eclipse
# 🔧 Fixing 'Must Override a Superclass Method' Errors after importing a project into Eclipse Have you ever experienced the frustration of importing your projects into Eclipse, only to find that almost all of your overridden methods are not formatted corr
How to parse JSON in Java
# How to Parse JSON in Java: A Beginner’s Guide 📚 Are you wondering how to extract specific values from a JSON text using Java? You're in the right place! Parsing JSON in Java might seem a bit challenging at first, but fear not. In this guide, we'll walk
Converting array to list in Java
# Converting Array to List in Java: The Dilemma 😕 So you want to convert an array to a list in Java, but you've stumbled upon some unexpected behavior? Don't worry, you're not alone! Many developers have encountered this confusion when using the `Arrays.
Converting "ArrayList<String> to "String[]" in Java
# Converting `ArrayList<String>` to `String[]` in Java: A Super Easy Guide! 🚀 So, you have an `ArrayList<String>` object and you want to convert it to a `String[]` array in Java. We've got you covered! In this guide, we'll walk you through the process st
Difference between "wait()" vs "sleep()" in Java
# The Difference between `wait()` vs `sleep()` in Java ## 🧐 Understanding the Common Confusion So, you're curious about the difference between `wait()` and `sleep()` when it comes to threading in Java, huh? 🤔 Don't worry, you're not alone in this dilem
How to set or change the default Java (JDK) version on macOS?
# How to Set or Change the Default Java (JDK) Version on macOS? 😎✨🔧 Are you tired of dealing with outdated Java versions on your macOS? Don't worry, we've got you covered! In this guide, we'll walk you through the process of setting or changing the defa
Can"t execute jar- file: "no main manifest attribute"
# 🚀 Executable Jar File: No Main Manifest Attribute So, you've installed an application and excitedly tried running it by executing the jar file, only to be disappointed with a message that says "no main manifest attribute, in 'app.jar'." What does this
How to get the current working directory in Java?
# How to Get the Current Working Directory in Java? 📂 Have you ever encountered a situation where you needed to access the current working directory in your Java code? Whether you want to manipulate files, navigate directories, or simply print the curren
Why is executing Java code in comments with certain Unicode characters allowed?
# Understanding Execution of Java Code in Comments with Unicode Characters Have you ever come across a Java code snippet that executes code within comments using certain Unicode characters? If you haven't, take a look at the example below: ```java public
What are the -Xms and -Xmx parameters when starting JVM?
👋 Hey there tech enthusiasts! 🖥️ Welcome to my blog, where I break down complex tech jargon into simple, easy-to-understand explanations. Today, we tackle a common question that often confuses many: What in the world are those mysterious -Xms and -Xmx p