Goldman Sachs Developer interview questions

2 phone interviews. Questions are about OOP design, java basic knowledge and database

5 Interviews in total - 2 phone interviews, 1 wrtitten test, followed by on site interviews (3), and then followed by another phone interview. Major topics - Java, Puzzles, analytical question, General programming and design question. Multi-threading. Design pattern. Spring (I had listed on my resume). Questions from your project. You must display that you are confident about your projects.