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  1. How to tell if user is submitting a form with changed values, in a Spring MVC-based webapp?
  2. @Override
  3. public int hashCode() {
  4.     return Objects.hashCode(this.field1, this.field2, etc.);
  5. }
  7. public static boolean hasFormChanged(Object form1, Object form2) {
  8.     return HashCodeBuilder.reflectionHashCode(form1) != HashCodeBuilder.reflectionHashCode(form2);
  9. }
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