Some doc added to check pipelines

src/main/java/dao/Database.java

@@ -18,7 +18,7 @@ public class Database {
     private static boolean isTest = isJUnitTest();
 
 
-    private static final String IP_TO_VM = "129.241.96.191";
+    private static final String IP_TO_VM = "129.241.97.157";
 
     private static String DB_URL = "jdbc:mysql://" + ((DB_CHOICE != null) ?
             (DB_CHOICE + ":3306/") :

src/main/java/resources/CalculatorResource.java

 package resources;
 
 
-
 import javax.ws.rs.Consumes;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
@@ -13,7 +12,6 @@ import javax.ws.rs.core.MediaType;
  */
 @Path("/calculator")
 public class CalculatorResource {
-
 /**
  * Method handling HTTP POST requests. The calculated answer to the expression will be sent to the client as
  * plain/text.
@@ -48,7 +46,7 @@ public int calculate(String expression) {
 
     return result;
 }
-
+//Multiplication
     public int multiplication(String equation) {
     String[] split = equation.split("[*]");
     int sum = Integer.parseInt(split[0]);