Pergunta de entrevista da empresa PayPal

Round1: Data Structure Questions : 1. Find the first non-repeating character in a given string 2. Play a song in a random order give n and you have to play n songs by using the random generator function and can't play the same song again. Basic Java questions and Java8 Round2: Desing the chess game of 2 players Round3: questions related to front-end JavaScript, Angular This Round3 is completely unexpected to me because the HR communicated with me as this role is for Backend and no clue is given that Round3 is on the front end.