Java Lesson 1 ☕

Variables • Input • Conditions

📌 1. Variables Recap

Variables store data in Java.

int age = 20;
String name = "Adiba";
        

⌨️ 2. User Input (Concept)

Java can take input using Scanner class:

import java.util.Scanner;

Scanner sc = new Scanner(System.in);
int age = sc.nextInt();
        

⚖️ 3. If-Else Condition

Used for decision making in Java:

if (age >= 18) {
    System.out.println("Adult");
} else {
    System.out.println("Minor");
}
        

🧠 Mini Practice (Try it)

Enter your age: