Interview FAQs: Language Fundamentals, Operators and assignment, Modifiers, Flow Control and exception, Objects and Classes, Thread, General Java Interview Questions.
Program to implement Double, Character Class, Memory Management, clone method and cloneable interface, Math Class in Java
Constructor, instanceof keyword, Native methods, Garbage collector, finalize method, Switch vs If, JAVAP tool, native interfaces, Class loader, Bootstrap, Extension, System Class loader
implementing an interface, abstract class, abstract methods, difference between Abstract classes and Interfaces, difference between Static and Non-Static fields of a class, inner classes, packages
Java Virtual Machine , JIT (Just-in-Time) Compilation, Class, Object, inheritance, polymorphism in Java