Category: Java

1. Why Control Flow? (The Big Picture) Until now, your programs ran top to bottom, line by line — like a straight road. Control flow statements let you: Branch (if this condition → do...

1. Why Input & Output Matters Until now, all our values were hardcoded (like int age = 25;). That’s fine for learning, but in real programs you want the user to enter their own...

What are Operators? Operators are special symbols that tell the computer to perform some action on one or more values (called operands). Example: 5 + 3 → + is the operator, 5 and 3...

1. What is a Variable? (The Most Important Concept) A variable is like a named box or labeled container in your computer’s memory where you store data. You give it a name (so you...

2. First Java Program – The Classic “Hello World” Every programming language starts with a Hello World program — it’s like the first “Namaste” you say when you meet someone new. In Java, it’s...

1. History and Features of Java: The Story Behind the Coffee-Powered Language Alright, imagine it’s the early 1990s. The world is buzzing with new tech—internet is just starting to take off, and devices like...