public class Main {
    // دالة تستقبل معاملين وتقوم بجمعهما
    public static int addNumbers(int a, int b) {
        return a + b; // ترجع مجموع الرقمين
    }
    public static void main(String[] args) {
        // استدعاء الدالة وتمرير قيمتين
        int result = addNumbers(5, 10);
        System.out.println("Sum: " + result); // الإخراج: Sum: 15
    }
}
				
			

				
					// ex 2 
public class Main {
    // دالة تستقبل اسم المستخدم
    public static void greetUser(String name) {
        System.out.println("Welcome, " + name + "!");
    }
    public static void main(String[] args) {
        greetUser("Ahmed"); // الإخراج: Welcome, Ahmed!
        greetUser("Sara");  // الإخراج: Welcome, Sara!
    }
}
				
			

				
					//ex 3
public class Main {
  // Create a checkAge() method with an integer variable called age
  static void checkAge(int age) {
    // If age is less than 18, print "access denied"
    if (age < 18) {
      System.out.println("Access denied - You are not old enough!");
    // If age is greater than, or equal to, 18, print "access granted"
    } else {
      System.out.println("Access granted - You are old enough!");
    }
  }
  public static void main(String[] args) {
    checkAge(20); // Call the checkAge method and pass along an age of 20
  }
}