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Commit 95e5f57

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some changes
1 parent 9e830bf commit 95e5f57

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7 files changed

+63
-90
lines changed

7 files changed

+63
-90
lines changed

‎.idea/workspace.xml

Lines changed: 47 additions & 86 deletions
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‎src/com/example/hello_world_package/Network_Programming_TCP_Client_Code.java

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,12 @@ public class Network_Programming_TCP_Client_Code {
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public static void main(String[] args) throws IOException {
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Socket socket = new Socket("127.0.0.1",1500);
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Socket socket = new Socket("127.0.0.1",1500);//first argument is server's IP address
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// second argument is port number of the server to which our client program will send the client request depending upon the application level protocol
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// it is 80 for HTTP protocol and we are using HTTP here
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//but lets use a different port here, 1500
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//Lets send a number to the server, double it there and then get that value back to the client and print here
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int to_send_to_Server, to_receive_from_the_server;

‎src/com/example/hello_world_package/Network_Programming_TCP_Server_Code.java

Lines changed: 10 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -8,10 +8,17 @@
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public class Network_Programming_TCP_Server_Code {
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public static void main(String[] args) throws IOException {
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ServerSocket serverSocket = new ServerSocket(1500);
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Socketsocket = serverSocket.accept();
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ServerSocket serverSocket = new ServerSocket(1500);//this port number 1500 is where this server socket will listen to for
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//any incoming requests
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//lets set an inputstream for this socket
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Socket socket = serverSocket.accept(); //Listens for a connection to be made to this socket and accepts it.
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//lets see the port number of the client where this server connects to
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System.out.println("\n The port number used for client is "+socket.getPort());//Returns the client machine's port number to which this socket is connected.
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//You might think how does the server know which port to connect to on the client
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//Client's port number is the part of the TCP header in the ip packet. So the server finds out because the client tells it through its TCP header.
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// lets set an inputstream for this socket
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Scanner scanner = new Scanner(socket.getInputStream());
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int input_from_the_client = scanner.nextInt();
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