Oracle Associate Software Developer interview questions

1.Introduce Yourself? 2.What is Data structure,List the types of Data structures? 3.What is Linked list? 4.What is Array? 5.What is the Difference between Array and Linked list? 6.What is ArrayList? 7.What is the difference between ArrayList and LinkedList? 8.What are Collections in Java? 9.Write a program to find the Highest repeated character in a string? 10.Write the same program by reducing time complexity? 11.What are Acid Properties, Explain Atomicity with example? 12.Write a sql query to create a database, student table, insert the values? 13.Print the student details who are having marks more than 70? 14.About joins? 15.About SDLC? 16.What is Normalization? 17.What are the types of Normalization, Explain in detail? 18.What is Testing, Types of testing. Explain in detail? 19.Differcence between Process and Threads? 20.Difference between Multithreading and Multiprocessing? 1.Introduce Yourself? 2.Explain me about your projects?(Detail explanation is required) 3.What are the four pillars of OOPS and Why? 4.Explain about polymorphism with example? 5.What are functional and Non-functional requirements? 6.Why Oracle? 7.Why should we Hire you? 8.Do you have any questions?