Скачать или смотреть java socket tcp

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certainly! java sockets provide a way for applications to communicate over a network using tcp (transmission control protocol). this tutorial will guide you through the basics of creating a simple tcp client-server application using java.

overview of tcp sockets

1. **server socket**: listens for incoming connections from clients.
2. **client socket**: connects to the server socket.
3. **data streams**: used to send and receive data.

steps to create a tcp client-server application

1. **create a server**:
the server will listen on a specific port for incoming client connections.
when a client connects, the server will read data sent by the client and optionally send a response.

2. **create a client**:
the client will connect to the server's ip address and port.
it will send a message to the server and read the response.

example code

#### 1. server code



#### 2. client code



how to run the example

1. **compile the code**:
save the server code in a file named `tcpserver.java`.
save the client code in a file named `tcpclient.java`.
compile both files using:


2. **run the server**:
start the server in one terminal window:


3. **run the client**:
start the client in another terminal window:


explanation

**server**:
the server creates a `serversocket` on port 12345 and waits for clients.
when a client connects, it spawns a new thread (`clienthandler`) to manage the connection. this allows the server to handle multiple clients simultaneously.
the server reads messages from the client and sends back an echo.

**client**:
the client connects to the server using `socket` and sends a message.
it then waits for the server's response and prints it to the console.

conclusion

this tutorial provides a basic understanding of creating tcp socket connections in java. you can expand this example by adding features like handling multiple clients, sending more compl ...

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