CANDIDATEMANAGEMENT java challenge for abk-multiservice Improvements to do as per feedback ̶d̶o̶n̶'̶t̶ ̶e̶x̶p̶o̶s̶e̶ ̶e̶n̶t̶i̶t̶y̶ ̶d̶i̶r̶e̶c̶t̶l̶y̶ ̶a̶d̶d̶ ̶e̶x̶c̶e̶p̶t̶i̶o̶n̶ ̶h̶a̶n̶d̶l̶i̶n̶g̶