This certificate verifies that Dmytro Ozarkiv successfully completed and passed the online course COMP102.1x: Introduction to Java Programming - Part 1 offered by HKUSTx, an online learning initiative of The Hong Kong University of Science and Technology through edX. The certificate was issued on May 21, 2015 and can be verified through a provided URL. It was signed by the professor and department head Ting-Chuen Pong of the Department of Computer Science and Engineering at The Hong Kong University of Science and Technology.