Why I got rejection after these phone screening?

1. For phone screening for local company in last April. I don't know what I answered wrong during the phone screening with the local company for internship role. Q: Do you have prior internship/work e

1. For phone screening for local company in last April. I don't know what I answered wrong during the phone screening with the local company for internship role. Q: Do you have prior internship/work experience in software engineering? A: While I haven't had the opportunity to work in a professional setting, I've done multiple projects including.... Q: Tell me the list of items in the four pillars of OOP: A: The four pillars of object-oriented programming (OOP) are abstraction, encapsulation, inheritance, and polymorphism. Q: Is it right that you attend ABD University? A: I attend ABC University. Response from

HR Oh, I've confused the name with another school.(just last character is different for abbreviations) After that, he said that I would receive a link to schedule a technical interview within 7 days, but I didn't receive it. When I followed up with a phone call, they said that they had already sent the link, and if I didn't receive it, it means I wasn't selected.(They didn't provide email information,just phone number. ) Also, the student who works as an intern there said that they don't do resume screening after phone screening. Also, they called me without any email or prior communication, so I couldn't receive first phone call as I was driving on the freeway and during lane change which require more attention on diving. 2. For Fidelity. (early 2024) Q: Do you know OOP? If so, tell me about 4 pillars of OOP: A: Yes, I know OOP as I have experience with that. The four pillars of object-oriented programming (OOP) are abstraction, encapsulation, inheritance, and polymorphism. Q: Tell me about polymorphism and encapsulation with your abc project. A: (I answered why and how I used those in my project.) Q: Tell me about time when you worked with team. A: I answered the experience with cs group projecg. Q: Do you have experience or skills in SQL? If so, which language/db is most proficient for you? A: Yes, I have experience with SQL. I've used SQLITE and I am able to quickly grap other database sql as they are similar. Q: You will use mainly Java for this role, how much comfortable with Java and what's your most proficient language? A: I am comfortable with Java and Java is the most proficient languages from my programming languages. Q: Do you have experience or skills in JavaScript? A: Yes, I have brief experience with JavaScript. I've used it during hackathon. However, I am not yet proficient enough with that. Q: Last question, do you have experience or skills with cloud technology or computing? A: While I don't have skills or experience with cloud service yet, I am interested in learning and using that and as I know, there are cloud service provider like AWS. End of phone screening, recruiter said that he would send my resume to hiring manager and I would hearing back within 48 hours if selected for final round interview. After 5 days, I got rejection.