Infosys Senior System Engineer interview questions

Do you know any programming skills?

Class, Interface, Abstarct Class, final, Overloading, Overriding, static, String immutable, Objects, Arraylist, TreeSet, Hash Map, Iterator, Exceptions, Comparable vs Comparator, JDBC, PrepareStatement, Sql group by, having, count, aggregate operations, union, intersection, Triggers and Joins(Inner, Outer, Right Join vs Left Join).