diff --git a/TCP.java b/TCP.java
new file mode 100644
index 0000000..b79cb4d
--- /dev/null
+++ b/TCP.java
@@ -0,0 +1,39 @@
+package TCP;
+
+public class MySegment {
+	public short SourcePort;
+	public short DestinationPort;
+	public int SequenceNumber;
+	public int AcknowledgementNumber;
+	public boolean ACK;
+	public short Window;
+	public byte Content;
+	public int Check;
+	public String toSend;
+	
+	public MySegment()
+	{
+		SourcePort=0;
+		DestinationPort=0;
+		SequenceNumber=0;
+		AcknowledgementNumber=0;
+		ACK=false;
+		Window=0;
+		Content=0;
+		Check=SourcePort^DestinationPort^SequenceNumber^AcknowledgementNumber^Window^Content;
+		toSend=Integer.toString(SourcePort)+"--"+Integer.toString(DestinationPort)+"--"+Integer.toString(SequenceNumber)+"--"+Integer.toString(AcknowledgementNumber)+"--"+Boolean.toString(ACK)+"--"+Integer.toString(Window)+"--"+Byte.toString(Content)+"--"+Integer.toString(Check);
+	}
+
+	public MySegment(int sourcePort, int destinationPort, int sequenceNumber, int acknowledgementNumber, boolean ack, int window, byte content) {
+		SourcePort = (short)sourcePort;
+		DestinationPort = (short)destinationPort;
+		SequenceNumber = sequenceNumber;
+		AcknowledgementNumber = acknowledgementNumber;
+		ACK = ack;
+		Window = (short)window;
+		Content = content;
+		Check=SourcePort^DestinationPort^SequenceNumber^AcknowledgementNumber^Window^Content;
+		toSend=Integer.toString(sourcePort)+"--"+Integer.toString(destinationPort)+"--"+Integer.toString(sequenceNumber)+"--"+Integer.toString(acknowledgementNumber)+"--"+Boolean.toString(ack)+"--"+Integer.toString(window)+"--"+Byte.toString(content)+"--"+Integer.toString(Check);
+	}
+	
+}