Tip 1 : Do atleast 1 internship
Tip 2 : Don't write anything vague or don't brag be honest with your resume
Tip 3 : Go through OOPS concepts thoroughly
Tip 1 : Mention your projects clearly they will definitely question about your projects
Tip 2 : Do mention about your coding/dsa achievements it makes a good impact on the interviewer
simple question based on how many different permutation of a string is allowed when there are cases involved like 1st character is fixed or 1&2 or 12&3 characters are fixed like this