ADP Java interview questions

OOPS : Encapsulation, Abstraction, Polymorphism, Inheritance 2. Introduction to class, Instance Variables, Instance methods, Class Variables, Class methods, Object 3. Files and Streams: In case u want to keep test data out of your java source file,but how would u access them in your test scripts.( Parameterisation in Selenium) 4. Collection, framework, multi-threading.