Oracle Applications Developer interview questions

Strings , Arrays , BST and AVL trees

The interviewer asked me to share the screen and write some codes on a text editor, the questions were: Print all subarrays with sum equal to 0 Delete BST Nodes outside given range Given two string check if second is rotation of first I was able to answer all three questions, he did not ask any further questions. At last, he asked me if I had any questions for him.