diff --git a/src/H071221039/Pertemuan_5/BangunRuang.java b/src/H071221039/Pertemuan_5/BangunRuang.java
new file mode 100644
index 0000000..ec3ab15
--- /dev/null
+++ b/src/H071221039/Pertemuan_5/BangunRuang.java
@@ -0,0 +1,101 @@
+package H071221039.Pertemuan_5;
+public class BangRuang {
+    public double hitungLuas(){
+        return 0;
+    }
+    public double hitungVolume(){
+        return 0;
+    }
+}
+
+class Kubus extends BangRuang {
+    private double sisi;
+
+    public Kubus() {}
+
+    public void setSisi(double sisi) {
+        this.sisi = sisi;
+    }
+
+    @Override
+    public double hitungLuas() {
+        return 6 * sisi * sisi;
+    }
+
+    @Override
+    public double hitungVolume() {
+        return sisi * sisi * sisi;
+    }
+}
+
+class Balok extends BangRuang {
+    private double panjang;
+    private double lebar;
+    private double tinggi;
+
+    public Balok() {}
+
+    public void setPanjang(double panjang) {
+        this.panjang = panjang;
+    }
+    public void setLebar(double lebar) {
+        this.lebar = lebar;
+    }
+    public void setTinggi(double tinggi) {
+        this.tinggi = tinggi;
+    }
+
+    @Override
+    public double hitungLuas() {
+        return 2 * ((panjang * lebar) + (panjang * tinggi) + (lebar * tinggi)) ;
+    }
+
+    @Override
+    public double hitungVolume() {
+        return panjang * lebar * tinggi;
+    }
+}
+
+class Bola extends BangRuang {
+    private double jari;
+
+    public Bola() {}
+
+    public void setJari(double jari) {
+        this.jari = jari;
+    }
+
+    @Override
+    public double hitungLuas() {
+        return 4 * Math.PI * jari * jari;
+    }
+
+    @Override
+    public double hitungVolume() {
+        return 4/3 * Math.PI * jari * jari * jari;
+    }
+}
+
+class Tabung extends BangRuang {
+    private double jari;
+    private double tinggi;
+
+    public Tabung() {}
+
+    public void setJari(double jari) {
+        this.jari = jari;
+    }
+    public void setTinggi(double tinggi) {
+        this.tinggi = tinggi;
+    }
+
+    @Override
+    public double hitungLuas() {
+        return 2 * Math.PI * jari * (jari + tinggi);
+    }
+
+    @Override
+    public double hitungVolume() {
+        return Math.PI * jari * jari * tinggi;
+    }
+}
\ No newline at end of file
diff --git a/src/H071221039/Pertemuan_6/Car.java b/src/H071221039/Pertemuan_6/Car.java
new file mode 100644
index 0000000..da0b904
--- /dev/null
+++ b/src/H071221039/Pertemuan_6/Car.java
@@ -0,0 +1,17 @@
+package H071221039.Pertemuan_6;
+class Car implements Moveable{
+    protected int totalForwardGear;
+    protected String color;
+    protected int maxSpeed;
+
+    Car(int totalForwardGear, String color,int maxSpeed){
+        this.totalForwardGear = totalForwardGear;
+        this.color = color;
+        this.maxSpeed = maxSpeed;
+    }
+
+    @Override
+    public void move(){
+        System.out.println("Mobil Berakselerasi");
+    }
+}
diff --git a/src/H071221039/Pertemuan_6/Diagram.png b/src/H071221039/Pertemuan_6/Diagram.png
new file mode 100644
index 0000000..ae3a6a3
Binary files /dev/null and b/src/H071221039/Pertemuan_6/Diagram.png differ
diff --git a/src/H071221039/Pertemuan_6/Dog.java b/src/H071221039/Pertemuan_6/Dog.java
new file mode 100644
index 0000000..e4411d5
--- /dev/null
+++ b/src/H071221039/Pertemuan_6/Dog.java
@@ -0,0 +1,96 @@
+package H071221039.Pertemuan_6;
+interface Moveable{
+    void move();
+    // void describe();
+}
+
+abstract class Dog {
+    protected int position;
+    protected int averageLength;
+   
+    public Dog(int position, int averageLength){
+        this.position = position;
+        this.averageLength = averageLength;
+    }
+    public abstract void describe();
+}
+
+class Pitbull extends Dog implements Moveable{
+    public Pitbull(int position, int averageLength) {
+        super(position, averageLength);
+    }
+
+    @Override
+    public void move(){
+        position+=3;
+    }
+
+    @Override
+    public void describe(){
+        System.out.println("Ras\t\t: Pitbull");
+        System.out.println("Rata panjang\t: " + this.averageLength);
+        System.out.println("Sifat\t\t: Agresif");
+        System.out.println("Asal\t\t: Amerika Serikat");
+        System.out.println("Posisi\t\t: " + this.position);
+    }   
+}
+
+class SiberianHusky extends Dog implements Moveable{
+    public SiberianHusky(int position, int averageLength) {
+        super(position, averageLength);
+    }
+
+    @Override
+    public void move(){
+        position+=2;
+    }
+
+    @Override
+    public void describe(){
+        System.out.println("Ras\t\t: Siberian Husky");
+        System.out.println("Rata panjang\t: " + this.averageLength);
+        System.out.println("Sifat\t\t: Ramah");
+        System.out.println("Asal\t\t: Siberia");
+        System.out.println("Posisi\t\t: " + this.position);
+    }   
+}
+
+class Bulldog extends Dog implements Moveable{
+    public Bulldog(int position, int averageLength) {
+        super(position, averageLength);
+    }
+
+    @Override
+    public void describe(){
+        System.out.println("Ras\t\t: Bulldog");
+        System.out.println("Rata panjang\t: " + this.averageLength);
+        System.out.println("Sifat\t\t: Bersahabat");
+        System.out.println("Asal\t\t: Inggris");
+        System.out.println("Posisi\t\t: " + this.position);
+    }
+
+    @Override
+    public void move() {
+        position+=1;
+    }   
+}
+
+class GermanShepherd extends Dog implements Moveable{
+    public GermanShepherd(int position, int averageLength) {
+        super(position, averageLength);
+    }
+
+    @Override
+    public void move(){
+        position+=3;
+    }
+
+    @Override
+    public void describe(){
+        System.out.println("Ras\t\t: German Shepherd");
+        System.out.println("Rata panjang\t: " + this.averageLength);
+        System.out.println("Sifat\t\t: Pandai");
+        System.out.println("Asal\t\t: Jerman");
+        System.out.println("Posisi\t\t: " + this.position);
+    }   
+}
diff --git a/src/H071221039/Pertemuan_6/Main.java b/src/H071221039/Pertemuan_6/Main.java
new file mode 100644
index 0000000..c69f5f9
--- /dev/null
+++ b/src/H071221039/Pertemuan_6/Main.java
@@ -0,0 +1,26 @@
+package H071221039.Pertemuan_6;
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("=".repeat(40));
+        System.out.println("INI DARI CLASS RAS");
+        Pitbull pitbull = new Pitbull(0,50);
+        pitbull.move();
+        pitbull.move();
+        pitbull.describe();
+
+        System.out.println("=".repeat(40));
+        System.out.println("INI DARI CLASS SMARTPHONE");
+        Smartphone smartphone = new Smartphone(5_000_000, "Mito");
+        smartphone.move();
+        System.out.printf("Harga\t: Rp. %s%n",smartphone.price);
+        System.out.println("Brand\t: " + smartphone.brand);
+
+        System.out.println("=".repeat(40));
+        System.out.println("INI DARI CLASS CAR");
+        Car car = new Car(5, "Hijau Sage", 240);
+        car.move();
+        System.out.println("Gear toal\t: " + car.totalForwardGear);
+        System.out.println("Warna\t\t: " + car.color);
+        System.out.printf("Max Speed\t: %s km/jam", car.maxSpeed);
+    }
+}
diff --git a/src/H071221039/Pertemuan_6/Smartphone.java b/src/H071221039/Pertemuan_6/Smartphone.java
new file mode 100644
index 0000000..58f7977
--- /dev/null
+++ b/src/H071221039/Pertemuan_6/Smartphone.java
@@ -0,0 +1,15 @@
+package H071221039.Pertemuan_6;
+class Smartphone implements Moveable {
+    protected int price;
+    protected String brand;
+
+    Smartphone(int price, String brand){
+        this.price = price;
+        this.brand = brand;
+    }
+
+    @Override
+    public void move() {
+        System.out.println("Smartphone Berpindah");
+    }
+}
diff --git a/src/H071221039/Pertemuan_7/AttackType.java b/src/H071221039/Pertemuan_7/AttackType.java
new file mode 100644
index 0000000..12fd8d5
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/AttackType.java
@@ -0,0 +1,7 @@
+package H071221039.Pertemuan_7;
+enum AttackType{
+    MELE,
+    RANGE,
+    FROST,
+    FIRE
+}
diff --git a/src/H071221039/Pertemuan_7/Character.java b/src/H071221039/Pertemuan_7/Character.java
new file mode 100644
index 0000000..afbd556
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Character.java
@@ -0,0 +1,20 @@
+package H071221039.Pertemuan_7;
+public abstract class Character {
+   protected String name;
+   protected double attackPower;
+
+   Character(){}
+
+    Character(String name, double attackPower){
+       this.name = name;
+       this.attackPower = attackPower;
+    }
+
+
+    public String getName() {
+        return name;
+    }
+ 
+    abstract double attack();
+    abstract double attack(AttackType attackType);
+}
diff --git a/src/H071221039/Pertemuan_7/Fighter.java b/src/H071221039/Pertemuan_7/Fighter.java
new file mode 100644
index 0000000..8932061
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Fighter.java
@@ -0,0 +1,27 @@
+package H071221039.Pertemuan_7;
+public class Fighter extends Character {
+    
+    Fighter(){
+    }
+    Fighter(String name, double attackPower){
+        super(name, attackPower);
+
+    }
+  
+    @Override
+    double attack(){
+        return attackPower;
+    }
+    @Override
+    double attack(AttackType attackType){
+        if(attackType == AttackType.MELE){
+            return attackPower * 2;
+        } else if(attackType == AttackType.RANGE){
+            return attackPower;
+        } else {
+            return 0;
+        }
+    }
+}
+
+
diff --git a/src/H071221039/Pertemuan_7/Food.java b/src/H071221039/Pertemuan_7/Food.java
new file mode 100644
index 0000000..532622c
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Food.java
@@ -0,0 +1,33 @@
+package H071221039.Pertemuan_7;
+interface Food {
+    int getprice();
+}
+
+class Pizza implements Food {
+    int price = 50000;
+
+    @Override
+    public int getprice() {
+        return price;
+    
+    }
+}
+
+class Steak implements Food {
+    int price = 30000;
+
+    @Override
+    public int getprice() {
+        return price;
+    
+    }
+}
+
+class Burger implements Food {
+    int price = 15000;
+
+    @Override
+    public int getprice() {
+        return price;
+    }    
+}
\ No newline at end of file
diff --git a/src/H071221039/Pertemuan_7/FoodFactory.java b/src/H071221039/Pertemuan_7/FoodFactory.java
new file mode 100644
index 0000000..a68e738
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/FoodFactory.java
@@ -0,0 +1,14 @@
+package H071221039.Pertemuan_7;
+public class FoodFactory {
+    public static Food getFood(FoodType type) {
+        if (type == FoodType.BURGER) {
+            return new Burger();
+        } else if (type == FoodType.PIZZA) {
+            return new Pizza();
+        } else if (type == FoodType.STEAK) {
+            return new Steak();
+        } else {
+            throw new IllegalArgumentException("Invalid food type: " + type);
+        }   
+    }
+}
diff --git a/src/H071221039/Pertemuan_7/FoodType.java b/src/H071221039/Pertemuan_7/FoodType.java
new file mode 100644
index 0000000..5f7712a
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/FoodType.java
@@ -0,0 +1,6 @@
+package H071221039.Pertemuan_7;
+enum FoodType{
+    BURGER,
+    PIZZA,
+    STEAK
+}
diff --git a/src/H071221039/Pertemuan_7/Mage.java b/src/H071221039/Pertemuan_7/Mage.java
new file mode 100644
index 0000000..846798c
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Mage.java
@@ -0,0 +1,28 @@
+package H071221039.Pertemuan_7;
+public class Mage extends Character {
+    Mage(String name, double attackPower){
+        super(name, attackPower);
+    }
+
+    @Override
+    double attack(){
+        return attackPower;
+    }
+
+    @Override
+    double attack(AttackType attackType){
+        if(attackType == AttackType.FROST){
+            return attackPower * 2;
+        } else if(attackType == AttackType.FIRE){
+            return attackPower * 3;
+        } else {
+            return 0;
+        }
+    }
+
+    void showDetail(){
+        System.out.println("Ini mage");
+    }
+
+
+}
diff --git a/src/H071221039/Pertemuan_7/Main1.java b/src/H071221039/Pertemuan_7/Main1.java
new file mode 100644
index 0000000..17523fe
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Main1.java
@@ -0,0 +1,28 @@
+package H071221039.Pertemuan_7;
+public class Main1 {
+    public static void printAttack(Character character) {
+        if (character instanceof Fighter){
+            System.out.printf("Saat melee, %s menyerang dengan %s power.%n",character.name,character.attack(AttackType.MELE));
+            System.out.printf("Saat ranged, %s menyerang dengan %s power.%n%n",character.name,character.attack(AttackType.RANGE));
+        } if (character instanceof Mage){
+            System.out.printf("Saat fire, %s menyerang dengan %s power.%n",character.name,character.attack(AttackType.FIRE));
+            System.out.printf("Saat frost, %s menyerang dengan %s power.%n%n",character.name,character.attack(AttackType.FROST));
+        }
+}
+
+    public static void main(String[] args) {
+        Character[] characters = new Character[5];
+        characters[0] = new Fighter("Terizla", 8);
+        characters[1] = new Mage("Parsha", 20);
+        characters[2] = new Fighter("Masha", 18);
+        characters[3] = new Fighter("Edith", 12);
+        characters[4] = new Mage("Lunox", 18);
+        // Mage mage = (Mage)characters[1];
+        // mage.showDetail();
+        
+        for (Character character : characters) {
+            printAttack(character);
+        }
+    }
+}
+
diff --git a/src/H071221039/Pertemuan_7/Main2.java b/src/H071221039/Pertemuan_7/Main2.java
new file mode 100644
index 0000000..1bac4b8
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Main2.java
@@ -0,0 +1,12 @@
+package H071221039.Pertemuan_7;
+public class Main2 {
+    public static void main(String[] args) {
+        Product<String> produk1 = new Product<String>("Bon Cabe", "Rp. 9000", "12-04-2024");
+        Product<Integer> produk2 = new Product<Integer>("Ultra Milk", 8700, "04-02-2024");
+        Product<Double> produk3 = new Product<Double>("Chitato",8.999,"09-11-2023");
+
+        System.out.printf("Product 1 : %s - %s - %s%n", produk1.getName(), produk1.getPrice(), produk1.getExpiryDate());
+        System.out.printf("Product 2 : %s - %d - %s%n", produk2.getName(), produk2.getPrice(), produk2.getExpiryDate());
+        System.out.printf("Product 3 : %s - %.3f - %s", produk3.getName(), produk3.getPrice(), produk3.getExpiryDate());
+    }
+}
diff --git a/src/H071221039/Pertemuan_7/Main3.java b/src/H071221039/Pertemuan_7/Main3.java
new file mode 100644
index 0000000..4518d21
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Main3.java
@@ -0,0 +1,18 @@
+package H071221039.Pertemuan_7;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main3 {
+    public static void main(String[] args) {
+        Food burger = FoodFactory.getFood(FoodType.BURGER);
+        Food pizza = FoodFactory.getFood(FoodType.PIZZA);
+        Food steak = FoodFactory.getFood(FoodType.STEAK);
+
+        List<Food> foods = new ArrayList<>();
+        foods.add(burger);
+        foods.add(pizza);
+        foods.add(steak);
+        int total = Restaurant.calculateTotal(foods);
+        System.out.println("Total harga makanan: " + total);
+    }
+}
diff --git a/src/H071221039/Pertemuan_7/Product.java b/src/H071221039/Pertemuan_7/Product.java
new file mode 100644
index 0000000..9b4e4c6
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Product.java
@@ -0,0 +1,21 @@
+package H071221039.Pertemuan_7;
+public class Product <T> {
+    private String name;
+    private T price;
+    private String expiryDate;
+    
+    public Product(String name, T price, String expiryDate) {
+        this.name = name;
+        this.price = price;
+        this.expiryDate = expiryDate;
+    }
+    public String getName() {
+        return name;
+    }
+    public T getPrice() {
+        return price;
+    }
+    public String getExpiryDate() {
+        return expiryDate;
+    }
+}
diff --git a/src/H071221039/Pertemuan_7/Restaurant.java b/src/H071221039/Pertemuan_7/Restaurant.java
new file mode 100644
index 0000000..c7b9019
--- /dev/null
+++ b/src/H071221039/Pertemuan_7/Restaurant.java
@@ -0,0 +1,12 @@
+package H071221039.Pertemuan_7;
+import java.util.List;
+
+public class Restaurant {
+    public static int calculateTotal(List<Food> foods) {
+        int total = 0;
+        for (Food food : foods) {
+            total += food.getprice();
+        }
+        return total;
+    }
+}