Yoshihiro Kumazawa@kumatheworldJapanFollow BadgesProblem SolvingCPPJavaPythonDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillCertificate: C++ (Advanced)VerifiedskillWork Experiencekumatheworld has not updated employment details yet.Educationkumatheworld has not updated education details yet.