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Java Programming Code Examples

Java > Networking Code Examples

Ping a server

Ping a server import java.io.*; import java.net.*; public class PseudoPing { public static void main(String args[]) { try { Socket t = new Socket(args[0], 7); DataInputStream dis = new DataInputStream(t.getInputStream()); PrintStream ps = new PrintStream(t.getOutputStream()); ps.println("Hello"); String str = is.readLine(); if (str.equals("Hello")) System.out.println("Alive!") ; else System.out.println("Dead or echo port not responding"); t.close(); } catch (IOException e) { e.printStackTrace();} } }