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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.
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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 😎✨🔧 Are you tired of dealing with outdated Java versions on your macOS?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
What is the difference between canonical name, simple name and class name in Java Class?
# Understanding Java Class Names: Canonical, Simple, and Class Names 🤔💡 Java is notorious for its complex syntax and confusing terminology. 🤯💻 One common source of confusion is understanding the differences between the `getSimpleName()`, `getName()`,
How to round a number to n decimal places in Java
# How to Round a Number to n Decimal Places in Java 😃💻 So you want to round a number in Java to a specific number of decimal places, huh? Don't worry, I've got your back. In this guide, I'll show you a couple of methods to accomplish this, addressing co