diff --git a/Exercises/src/day_2/Day2_2.java b/Exercises/src/day_2/Day2_2.java
new file mode 100644
index 0000000..04e4c3e
--- /dev/null
+++ b/Exercises/src/day_2/Day2_2.java
@@ -0,0 +1,38 @@
+package day_2;
+
+import java.util.Scanner;
+
+public class Day2_2 {
+
+	public static void main(String[] args) {
+		String[] messages = { "いまなにしてる", "何も入力されていません", "投稿文が長すぎます", "↓↓↓↓↓↓ 投稿されました ↓↓↓↓↓↓" };
+
+		Scanner scan = new Scanner(System.in);
+		String str = "";
+		int maxLength = 140;
+
+		while (true) {
+			System.out.println(messages[0]);
+			str = scan.nextLine().replace(" ", "").replace(" ", "");
+
+			// 早期リターン (Early Return / Guard Clause) ကို အသုံးပြု၍ ချက်ချင်းစစ်ဆေးခြင်း
+			if (str.isEmpty()) {
+				System.out.println(messages[1]);
+				continue;
+			}
+
+			if (str.length() > maxLength) {
+				System.out.println(messages[2]);
+				continue;
+			}
+
+			break;
+		}
+
+		System.out.println();
+		System.out.println(messages[3]);
+		System.out.println(str);
+
+		scan.close();
+	}
+}
diff --git a/MyProject/src/doc/HotelReceptionProject1.drawio.pdf b/MyProject/src/doc/HotelReceptionProject1.drawio.pdf
new file mode 100644
index 0000000..ccf25d3
Binary files /dev/null and b/MyProject/src/doc/HotelReceptionProject1.drawio.pdf differ
diff --git a/MyProject/src/hotelReservation/DeluxeRoom.java b/MyProject/src/hotelReservation/DeluxeRoom.java
new file mode 100644
index 0000000..1bb6ebd
--- /dev/null
+++ b/MyProject/src/hotelReservation/DeluxeRoom.java
@@ -0,0 +1,19 @@
+package hotelReservation;
+
+public class DeluxeRoom extends Room {
+	 private int serviceFees;
+	 
+	 public DeluxeRoom (int roomNumber,int serviceFees) {
+		 super (roomNumber,6990);   //make service fees for Deluxe romm
+		 this.serviceFees = serviceFees;
+	 }
+	 @Override
+	 public double calculateTotal (int nights) {
+		 return (pricePerNight*nights)+serviceFees;
+	 }
+	 @Override
+	 public String getRoomInfo() {
+		 return "Delixe Room Number" +roomNumber+ "includeing Service Fees";
+	 }
+
+}
diff --git a/MyProject/src/hotelReservation/Reception.java b/MyProject/src/hotelReservation/Reception.java
new file mode 100644
index 0000000..0e335ee
--- /dev/null
+++ b/MyProject/src/hotelReservation/Reception.java
@@ -0,0 +1,16 @@
+package hotelReservation;
+
+import javax.swing.JFrame;
+
+public class Reception {
+
+	public static void main(String[] args) {
+		// To Male Frame In GUI 
+		JFrame frame = new JFrame("Booking Here");
+		frame.setSize(500, 600);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		frame.setLayout(null);
+		frame.setVisible(true);
+	}
+
+}
diff --git a/MyProject/src/hotelReservation/Reservation.java b/MyProject/src/hotelReservation/Reservation.java
new file mode 100644
index 0000000..09f0ed3
--- /dev/null
+++ b/MyProject/src/hotelReservation/Reservation.java
@@ -0,0 +1,29 @@
+package hotelReservation;
+
+public class Reservation {
+	private String guestName;
+	private Room room;
+	private String checkInDay;
+	private int nights;
+
+	public Reservation(String gustName, Room room, String checkInDay, int nights) {
+		this.guestName = gustName;
+		this.room = room;
+		this.checkInDay = checkInDay;
+		this.nights = nights;
+	}
+
+	//	Detail of Booking information (so se should be make new object {totalCost} 
+	//	from room calculate **from override
+	public String getReservationDetails() {
+		double totalCost = room.calculateTotal(nights);
+		return "===== BOOKIN DETAILS =====\n" +
+				"GUEST NAME :" + guestName + "\n" +
+				"CHECKIN DATE :" + checkInDay + "\n" +
+				room.getRoomInfo() + "\n" +
+				"STAY:" + nights + " night\n" +
+				"TOTAL AMMOUNT :" + totalCost + "Yen\n";
+
+	}
+
+}
diff --git a/MyProject/src/hotelReservation/Room.java b/MyProject/src/hotelReservation/Room.java
new file mode 100644
index 0000000..351ddac
--- /dev/null
+++ b/MyProject/src/hotelReservation/Room.java
@@ -0,0 +1,20 @@
+package hotelReservation;
+
+public class Room {
+	protected int roomNumber;
+	protected int pricePerNight;
+	// Constructor
+	public Room (int roomNumber,int pricePreNight) {
+		this.roomNumber= roomNumber;
+		this.pricePerNight = pricePreNight;
+	}
+	//1 ammount for every room
+	public double calculateTotal (int nights) { //this method will be override in otherclass
+		return pricePerNight*nights;
+	}
+	//Show Info for firt time 
+	public String getRoomInfo() { //this method will be override in otherclass
+		return "Room Number"+ roomNumber+"Per Night"+pricePerNight;
+		
+	}
+}
diff --git a/MyProject/src/hotelReservation/StandardRoom.java b/MyProject/src/hotelReservation/StandardRoom.java
new file mode 100644
index 0000000..d7b386c
--- /dev/null
+++ b/MyProject/src/hotelReservation/StandardRoom.java
@@ -0,0 +1,9 @@
+package hotelReservation;
+
+public class StandardRoom extends Room {
+	public StandardRoom(int roomNumber) {
+		super(roomNumber,1450); //make stsndar Room  price for per nigh
+		
+	}
+
+}