Infosys Senior Software Developer interview questions

Tech Round 1: About Projects, Project deployment in tomcat server, different b/w java 5 and java 6. Serialization and Deserialization, Methods of objects, Fail-fast, String immutability and scenario based questions on string. Java script regular expressions, MySQL query to find the second largest number in a table, etc. This round was about 30 mins. Tech Round 2: Collections, Diff b/w Stringbuffer and StringBuilder, Why do you want to shift. It took 15 mins.