Hyoung-gyu Choi@bbolrocFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencebbolroc has not updated employment details yet.Educationbbolroc has not updated education details yet.Linksbbolroc has not updated links details yet. Skillsbbolroc has not updated skills details yet.