Check Point Software Technologies Java Software Developer interview questions

3 stages: first stage a test on codility website: you get 3 questions : check password according to restrictions, add '5' to every digit place a number to check which number is the largest, and parse a string to see what size of every file type(music/video/image/other) is on the string. 2nd stage is in front of the team leader, 1st q. is you get an array of ints and return it in random order, 2nd q. is to build a class that hold a log file that many classes can reach it but only one instance (singelton) of this file. didnt get to the last intreview.