CODE EXAMPLE FOR JAVA

java string builder

if (CollectionUtils.isEmpty(primaryPathList)) {
    final String COMMON = "Customer Hierarchy is mandatory field";
    if (salesChannelCode.equals(SalesChannelType.HEB_TO_YOU)) {
        return Optional.of(COMMON + " for HebToYou.");
    } else {
        return Optional.of(COMMON + ".");
    }
}