Morgan Stanley Technology Analyst interview questions

Phone Interview: what is jni ? What are interrupts? Where is interrupt3 used ? SuperDay: Round1- Create linked list class and reverse the list. Code using pen and paper. Asked alot about my research paper, prev work ex and projects (had viewed my github and asked about certain code sections) Round2 - what is trigger? Explain public static void main ? What is OOPs and its features ? How does java compile the code ? What is linked list ? If two lists intersect , how will you find the intersection point ? Round3 - the interviewer didn’t interact much and came with 2 questions prepared. If a number has 2, 3 or 5 as its factor then its a nice number. Code to tell if input n is a nice number. What will be time complexity ? Two arrays are given. Check and code if they have cyclic equality ?