EPAM Systems Developer interview questions

For java n microservice, there were 3 rounds Each round asks for java coding questions That should be a running working code Interviewers are good and polite 1. Live coding round using java 8 - first unique character in string , given array move all zeros to right ( core java, arraylist vs linklist, time and space complexity) 2. Advance java n microservice and sql question 3. Manager round Your contribution to project 2 java coding question-one with java8 and other string manipulation (remove subsequent same char from string)