Intel Corporation Student Software Developer interview questions

They asked a lot about the project I did during my studies. On the project, they asked what the project was about, how we worked, what was the division, what was my part in the project. Questions: • How to reverse a string in JAVA • There is an array sorted in ascending order and you are looking for a sum of two numbers that are sure these two numbers are in the array what is the best way to check • polymorphism • A simple SQL query