Describe the output of the following java programs

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Describe the output of the following java programs
i.
import java.io.* ;
import java.net.* ;
public class TrivialBrowser {
public static void main(String [] args) throws IOException {
Socket s = new Socket(“www.grid2004.org”, 80) ;
PrintWriter out = new PrintWriter(
new OutputStreamWriter(s.getOutputStream())) ;
out.print(“GET /spring2004/index.html HTTP/1.1rn”) ;
out.print(“Host: www.grid2004.orgrnrn”) ;
out.flush() ;
BufferedReader in = new BufferedReader(
new InputStreamReader(s.getInputStream())) ;
String line ;
while((line = in.readLine()) != null)
3
System.out.println(line) ;
}
}
( 4 Marks)
ii. public static void main(String [] args) throws Exception {
ServerSocket server = new ServerSocket(8080) ;
while(true) {
Socket sock = server.accept() ;
BufferedReader in = new BufferedReader(
new InputStreamReader(sock.getInputStream()) ;
String header = in.readLine() ;
. . . Skip over any other lines in request packet. . .
String fileName = … path component from 2nd field ofheader … ;
DataOutputStream out =
new DataOutputStream(sock.getOutputStream()) ;
if( … file fileNameexists…) {
byte [] bytes = … contents of local file fileName… ;
out.writeBytes(“HTTP/1.0 200 OKrn”) ;
out.writeBytes(“Content-Length: ” + bytes.length + “rn”) ;
out.writeBytes(“Content-Type: text/htmlrnrn”) ;
out.write(bytes) ;
} else { … Send HTTP error status …}
}
}

 

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