Update CalculatorResource.java

src/main/java/resources/CalculatorResource.java

@@ -25,7 +25,7 @@ public class CalculatorResource {
         // Removes all whitespaces
         String expressionTrimmed = expression.replaceAll("\\s+","");
 
-        int result = -1;
+        float result = -1;
 
         /*
          * .matches use regex expression to decide if a String matches a given pattern.
@@ -40,7 +40,7 @@ public class CalculatorResource {
         if(expressionTrimmed.matches("[0-9]+[+][0-9]+")) result = sum(expressionTrimmed);
         else if(expressionTrimmed.matches("[0-9]+[-][0-9]+")) result = subtraction(expressionTrimmed);
         else if(expressionTrimmed.matches("[0-9]+[*][0-9]+")) result = multiplication(expressionTrimmed);
-        //else if(expressionTrimmed.matches("[0-9]+[/][0-9]+")) result = division(expressionTrimmed);
+        else if(expressionTrimmed.matches("[0-9]+[/][0-9]+")) result = division(expressionTrimmed);
 
         return result;
     }