-
Notifications
You must be signed in to change notification settings - Fork 0
/
Server.java
66 lines (55 loc) · 2.01 KB
/
Server.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
// Java program to illustrate Server Side Programming
// for Simple Calculator using TCP
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.StringTokenizer;
public class Server
{
public static void main(String args[]) throws IOException
{
// Step 1: Establish the socket connection.
ServerSocket ss = new ServerSocket(20000);
Socket s = ss.accept();
// Step 2: Processing the request.
DataInputStream dis = new DataInputStream(s.getInputStream());
DataOutputStream dos = new DataOutputStream(s.getOutputStream());
while (true)
{
// wait for input
String input = dis.readUTF();
if(input.equals("bye"))
break;
System.out.println("Equation received:-" + input);
int result;
// Use StringTokenizer to break the equation into operand and
// operation
StringTokenizer st = new StringTokenizer(input);
int oprnd1 = Integer.parseInt(st.nextToken());
String operation = st.nextToken();
int oprnd2 = Integer.parseInt(st.nextToken());
// perform the required operation.
if (operation.equals("+"))
{
result = oprnd1 + oprnd2;
}
else if (operation.equals("-"))
{
result = oprnd1 - oprnd2;
}
else if (operation.equals("*"))
{
result = oprnd1 * oprnd2;
}
else
{
result = oprnd1 / oprnd2;
}
System.out.println("Sending the result...");
// send the result back to the client.
dos.writeUTF(Integer.toString(result));
}
}
}