NextGen Healthcare Software Engineer - Android interview questions

The interview process is quite tough and it took 20 days. 1. First round is online HackerErath Test which consist of 20 objective question(Android+Java)+ 1 java Program+1 SQL question(5th highest salary). one hour time is given to complete the test. 2. Second is F2F interview(Asked question from Java and Android , Thread,Exception Handling ,Immutable,Collection,Sorting Algorithms). a.Ask java program to count the occurrence of particular character in String. b. Ask to sort the list of Movies(title,language,release year ) based on all field b.They asked to develop simple android app which gets the data from server and displays the data in List View(implement with view caching).Also update the list view whenever data is changed is server. 3. Manager & HR round of interview