update mac functions in DataBeans.

Author: NeelPatel21

src/client/flow/ClientFlow.java

@@ -48,7 +48,8 @@ public void start(){
             List<IntDataTuple> dt=new ArrayList(new Filter(sd).filterdata());
             db=DataBeans.getAddDataBean(dt,System.getenv("username"));
         }catch(Exception ex){
-            System.err.println("error in getting software details");
+            System.err.println("error in getting software details :- "+ex);
+            ex.printStackTrace();
             return;
         }
 

src/com/dataBean/DataBeans.java

@@ -89,8 +89,7 @@ public static IntDataBean getAddDataBean(List<IntDataTuple> sd,String name){
             NetworkInterface network = NetworkInterface.getByInetAddress(ip);
             byte[] mac = network.getHardwareAddress();
             String s="";
-            for(byte b:mac){
-                int i=b;
+            for(byte i:mac){
                 if(i<=9)
                     s+=i;
                 else if(i==10)