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TCPTest.java
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105 lines (86 loc) · 2.42 KB
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package IO;
import org.junit.Test;
import java.io.*;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
public class TCPTest {
@Test
public void client(){
Socket socket = null;
OutputStream os = null;
try {
InetAddress inet = InetAddress.getByName("192.168.31.205");
socket = new Socket(inet,8899);
os = socket.getOutputStream();
os.write("hello,I am client".getBytes());
} catch (IOException e) {
e.printStackTrace();
} finally {
if(os != null){
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(socket != null){
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
@Test
public void server(){
ServerSocket ss = null;
Socket socket = null;
InputStream is = null;
ByteArrayOutputStream baos = null;
try {
ss = new ServerSocket(8899);
socket = ss.accept();
is = socket.getInputStream();
baos = new ByteArrayOutputStream();
byte[] buffer = new byte[5];
int len;
while ((len = is.read(buffer)) != -1){
baos.write(buffer,0,len);
}
System.out.println(baos.toString());
} catch (IOException e) {
e.printStackTrace();
} finally {
if(baos != null){
try {
baos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(is != null){
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(socket != null){
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(ss != null){
try {
ss.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}