code: private static Method getWriteMethod(Object object, String propertyName) {
          String methodName = "set"
              + propertyName.substring(0, 1).toUpperCase(Locale.ENGLISH) + propertyName.substring(1);
          Method[] methods = getMethods(object);
  
          for (Method method : methods) {
              if (method.getName().equals(methodName) && (method.getParameterTypes().length == 1)) {
                  return method;
              }
          }
          return null;
      }
docs: Tries to find the Java method to write a new value for a given propertyName to the given object.
  @param object the object whose class will be examined
  @param propertyName the property name for which the write method is to be searched
  @return the {@link Method} if found, null in all other cases.