Capgemini interview question

1. Tell me about yourself 2. Questions from java * final keyword, * What is a constructor, * difference between set and Map * displayed a code snippet in chat box and asked for its output 3. Questions from RDBMS * differences between DDL and DML * how do you delete a Column in a table * Triggers 4. What problems you have solved recently ( I have mentioned I am good at problem solving skills in my introduction) 5. What are my strengths and weaknesses