I've 4 years experience in c/c++ && java , I used data structures and algorithms many times in problem-solving and competitive programming, I used Java in many projects (for my college and my job.)
I Participated in ACM-ACPC 2017 ( Arab Collegiate Programming Contest 2017).
I Participated in ACM-ECPC 2017 ( Egyptian Collegiate Programming Contest 2017 ) .
&& Qualified to ACM ACPC (Arab Collegiate Programming Contest)