// Basic Syntax: Variable Declarations
let name = "Bryan Carl Mationg";
let age = 20;
let course = "Bachelor of Science in Computer Science";
let yearLevel = "3rd year";
let hobbies = ["Basketball", "Playing Online Games", "Watching Movies"];

// Function: Introduce Yourself
function introduce() {
    console.log("Hello, my name is " + name + ".");
    console.log("I am " + age + " years old.");
    console.log("I am a " + yearLevel + " student studying " + course + ".");
}

// Operator: Simple Math Operation
function yearsUntilGraduation(currentYear, graduationYear) {
    return graduationYear - currentYear; 
}

// Control Structure: Conditional Statement
function checkHobbies() {
    if (hobbies.length > 2) {
        console.log("I have several hobbies to enjoy in my free time!");
    } else {
        console.log("I am looking for more hobbies to explore.");
    }
}

// Array & Loop: Display Hobbies
function listHobbies() {
    console.log("Here are some of my hobbies:");
    for (let i = 0; i < hobbies.length; i++) {
        console.log("- " + hobbies[i]);
    }
}

// Execute Functions
introduce();
console.log("I will graduate in " + yearsUntilGraduation(2025, 2027) + " years.");
checkHobbies();
listHobbies();