김한얼 @happyguy0214Republic of KoreaFollow BadgesProblem SolvingCPPJava CertificationsCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencehappyguy0214 has not updated employment details yet.Educationhappyguy0214 has not updated education details yet.