Superclass - Study guides, Class notes & Summaries

Any object that can be thown as an Exception must inherit from what class? - Throwable Can a field declared as type boolean hold a value of 1? - No Can a programmer create his/her own Exception class? - Yes. A programmer can create their own Exception class in Java. Can a sub-class also be a super-class? - Yes, Java allows this Can a subclass write methods that do not appear in the superclass? - Yes Can an interface be instantiated? - No Can an interface be instantiated? - You can never i...

AP Computer Science A 100& Correct What is encapsulation in object-oriented programming? Encapsulation is the concept of bundling data (fields) and methods (functions) that operate on the data into a single unit, typically a class. It helps to protect the internal state of an object and exposes only necessary parts through public methods. What does inheritance allow you to do in Java? Inheritance allows a subclass to inherit fields and methods from a superclass. This promotes co...

Object - An instance of a class Class - Blueprint/prototype from which objects are created Inheritance - subclasses can inherit states/behaviors of superclasses interface - contract between class and outside world; when a class implements an interface, it promises to provide the behavior published by that interface package - a namespace for organizing classes & interfaces in a logical manner; makes large software projects easier to manage Encapsulation - Hiding the internal state ...

Java Programming Study Guide; Questions and Answers 100% Pass super CORRECT ANSWER-A call to a superclass constructor. subclass method CORRECT ANSWER-Must use the same method name and the same parameter types to override a superclass method. instanceof operator CORRECT ANSWER-Used to test whether an object belongs to a particular type. overloaded method CORRECT ANSWER-A subclass method that uses the same method name but different parameter types for a method that appears in its super...

AP Computer Science A - Review 1 Latest Update 100% Pass What is the difference between an `ArrayList` and an array in Java? An `ArrayList` is a resizable data structure that can grow and shrink dynamically, whereas an array has a fixed size. Additionally, `ArrayList` provides methods for manipulating the list, such as adding, removing, and searching for elements. What is inheritance, and how does it work in Java? Inheritance allows a new class (subclass) to inherit properties...

Java: Chapter 12 Quiz Latest Version Already Passed A constructor in Java is used to initialize an object. True In Java, the `final` keyword can be applied to variables, methods, and classes to prevent them from being modified. True An abstract class in Java can be instantiated directly. False An interface in Java can have both abstract methods and concrete methods. True In Java, the `static` keyword means that a method or variable belongs to the class rather than to in...

ENTO 201 Exam 1 Bernal TAMU UPDATED ACTUAL Exam Questions and CORRECT Answers phyla - CORRECT ANSWER - major groupings of the animal kingdom and are comprised of superclasses, classes etc. sequence of phylum? - CORRECT ANSWER - Kingdom, phylum, superclass, class, order, family, genus, species

CSC 220 Final Exam 157 Questions with Verified Answers The ___________________statement is used to execute one action when a condition is true and another when the condition is false. - CORRECT ANSWER if___else statement Every class declaration contains keyword_______________followed immediately by the class's name - CORRECT ANSWER class Keyword_____________ creates an object of the class specified to theright of the keyword - CORRECT ANSWER new A variable known only within the me...

A call to a final method can only be resolved at run time - False A final method in a superclass cannot be overridden in a subclass - True A method declared as private in the superclass can be overridden in the subclass - False A static method in a superclass can be overridden in the subclass - False ENUM type is value type - False - Enum type is reference type A subclass can inherit (extends) from a final class. - F

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