Day 2: Java Console App — Let’s Build a Calculator! 🧮
Want to write your first Java program that interacts with users in the terminal? Here is a simple calculator that handles +, -, *, /.
💡 Perfect for beginners! Code 👇
#JavaDev#100DaysOfCode#JavaForBeginners
Ep 1 of my Java Series :
🤯 Stop scrolling! If you are starting to code in Java , this ONE method is the HEART of every program you write. What is it and why is it so crucial? 👇
(keywords for your goldfish memory - steal them and ace your java Interview):
public: Accessible from anywhere. 🌐
static: Belongs to the class itself, not a specific object. 🧍
void: Doesn't return any value. ➡️
main: The special name the JVM recognizes. ✨
Constructors protect beginners from forgetting setup 🏗️
Without one, objects start empty and bugs appear 😵
With one, objects start ready.
🧠 Quick question: should a student get a name later, or the moment it's created?
#JavaForBeginners#javaconstructors#codingkenya
That Java error isn't a bug.
It's a missing object.
We left one thing out of a Java program.
It won't compile.
Can you spot it? 👀
Fix it and run it live in our website. Link is in bio👆
Tell us in the comments how long it took you.
#learnjava#javaforbeginners#javatutorial
Découvrez dans cette vidéo de #JavaForBeginners les tests en Java, en particulier les tests unitaires et comment écrire votre premier test en utilisant JUnit 🧑💻