The purpose of this study was to design the course of Programming Languages-I online, which is given on face-to-face basis at undergraduate level. It is seen in literature that there is no detailed research on the preparation of a fully-online course directly based on an instructional design model. In this respect, depending on the ADDIE design model, the most popular instructional design models, an online course was adapted in phases. Each phase of the model and on the steps in each phase were explained. The preparation of this course given via DLP lasted approximately 500 hours. Following its preparation, the pilot application was carried out with the learners taking the course of Programming Languages during summer school period. The learners used DLP in all respects, and DLP was revised and the necessary changes were made in line with the learners' views and with the results of the usability test. The study revealed that it was important to analyze all the related areas in the analysis phase of an online course design and to make the necessary decisions in the phase of design. In the dimension of distance education evaluation, since there is no precise and reliable method, the traditional evaluation methods were favored within the scope of the product evaluation of this course taught via DLP. In addition, within the scope of the process evaluation, the learners' views were determined via weekly evaluations. Establishing interaction in online courses is important to prove the live structure of the system, and this situation will help learners perceive themselves to a part of the course.