Java oop

Java OOP Object Oriented Programming - answer-A type of programming that focuses on objects Inheritance - answer-A class derives non-private properties or method from an existing class Polymorphism - answer-Subclass that can be though as its superclass Encapsulation - answer-Protects variables or methods from being accessed outside its desired scope Dynamic Blinding - answer-Looking up variables or methods in the upper levels of a family tree Constructor Chaining - answer-A chain of calls from a subclass to same class of higher and higher superclass Concrete class - answer-regular class abstract class - answer-class that contain abstract methods wrapper class - answer-class that makes an object type from primitive type inner class - answer-class define within a class sub class - answer-class derives non-private properties or methods from existing class super class - answer-Class derived by another class class - answer-define an object this - answer-to differentiate b/w class variable and local variable ;refer to another constructor new - answer-create instance of object static - answer-indicates shared variables or methods package visibility - answer-private,public,default,protected super - answer-differentiate b/w superclass properties or methods from subclass default super - answer-super() is called automatically when no call to super default constructor - answer-className(){ } called automatically when there is no constructor extends - answer-define inheritance relation b/w 2 classes implements - answer-define inheritance b/w class and interface abstract - answer-define abstract class that may contain abstract method; can be used in front of method to indicate that it is abstract (no definition) abstract method - answer-method that have no specific content interface - answer-class like-structure that contain only abstract method