INHERITANCE, A Car can reuse the properties and methods already available in Vehicle. What OOP concept makes this relationship possible?, POLYMORPHISM, One Shape reference can work with Circle, Rectangle, and Triangle objects, with each giving its own behavior. Name the concept., OVERRIDING, A child class changes the implementation of a method that it has received from its parent class. What is this called?, OVERLOADING, The same method name is used with different parameter lists in one class. Identify this feature., ABSTRACT, What keyword would you use when declaring a class that should serve as a base class but should not be directly instantiated?, INTERFACE, A Payment design specifies pay() and allows UPI, Card, and Cash classes to provide their own implementations. What Java construct is suitable?, IMPLEMENTS, Complete the statement: class Printer ______ Printable. Which keyword is required?, EXTENDS, Complete the statement: class Manager ______ Employee. Which keyword establishes class inheritance?, UPCASTING, An Animal reference is used to refer to a Dog object. What is this conversion from subclass reference to superclass reference called?, DYNAMICBINDING, In method overriding, the method to execute is determined using the actual object during execution. What mechanism is this?, TRY, Which keyword begins the block containing statements that might generate an exception?, CATCH, An exception occurs inside a try block. Which block is designed to receive and handle it?, FINALLY, Which block is normally executed any how whether an exception occurs or not?, THROW, A programmer detects an invalid condition and wants to explicitly generate an exception at that point. Which keyword is used?, EXCEPTION, Division by zero, invalid array access, and invalid input can cause objects from this category of Java's error-handling hierarchy. What is the general term?

Java OOP Challenge: Decode the Concept

tarafından
Yazdır
Yerleştir

Skor Tablosu

Görsel stil

Seçenekler

Şablonu değiştir

Otomatik olarak kaydedilen geri yüklensin mi: ?