add hash/kvs-client

kvs-client/javakvstore.java

@@ -0,0 +1,37 @@
+
+import java.io.*;
+import java.net.*;
+
+public class javakvstore {
+    public static void main(String[] args) {
+        String serverAddress = "192.168.243.131"; 
+        int serverPort = 2000;  
+
+        try {
+            Socket socket = new Socket(serverAddress, serverPort);
+
+            OutputStream outputStream = socket.getOutputStream();
+            InputStream inputStream = socket.getInputStream();
+
+            String message = "SET T1 KING";
+            outputStream.write(message.getBytes());
+
+            byte[] buffer = new byte[1024];
+            int bytesRead = inputStream.read(buffer);
+            if (bytesRead > 0) {
+                String response = new String(buffer, 0, bytesRead);
+                System.out.println("recv: " + response);
+            }
+
+			inputStream.close();
+			outputStream.close();
+			socket.close();
+
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+}
+
+
+