JAVA VO값 null or 공백 체크
import org.apache.commons.validator.GenericValidator; if (!GenericValidator.isBlankOrNull(vo.abc())) { . . }
A lot of people believe. "IT skills are omnipotent." Are you sure? I like IT technology, but it is only one tool. And a lot of knowledge of the web, but many things that have not been validated. This blog is showing the correct IT knowledge.