What is a class in java - Study guides, Class notes & Summaries

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 ...

COP 3330 JAVA Question and answers already passed 2024 COP 3330 JAVA In OOP, developers create objects which contain ----- - correct answer data and methods Which of the following is an advantage of OOP vs procedural programming? - correct answer -provides a clear structure for programs -makes the code easier to maintain, modify and debug -faster and easier to execute What term best describes Cat? public class Cat { private String name; private String color; public S...

What year was the Java programming created 1995 What does OCA stand for Oracle Certified Associate What are the 2 tests for Java developers provided by Oracle OCA and OCP The full declaration of a method is called the method ____ signature True or False - can you add a multiline comment within a multiline comment? false How many public classes can be added to a single file 1 Write the syntax for the main method. public static void main(String[] ar...

The correct syntax for the "main" method signature is: *a.* private static void main(String[] args) *b.* public static String main(String[] args) *c.* public static void main(String[] args) *d.* public void main(String[] args) *e.* none of the above - CORRECT ANSWER c The Java compiler does the following: *a.* checks a bytecode program in a ".class" file for run-time errors and if there are none, it generates source code for that program in a ".java" file *b.* checks a...

AP Computer Science Principles Chapter 2 Graded A+ What is the output of this code snippet? ```java int a = 5; int b = 3; Sln(a - b); ``` The output is `2`. How do you call a method named `calculate` from an object `calc`? Use `late();`. What happens if you don’t provide a constructor in a class? 2 Java provides a default constructor that initializes objects with default values. How can you access a private field in a class? Use a public getter method d...

What year was the Java programming created 1995 What does OCA stand for Oracle Certified Associate What are the 2 tests for Java developers provided by Oracle OCA and OCP The full declaration of a method is called the method ____ signature True or False - can you add a multiline comment within a multiline comment? false How many public classes can be added to a single file 1 Write the syntax for the main method. public static void main(String[] ar...

Java Developer OCA; Questions and Answers 100% Pass What is ion.Predicate? CORRECT ANSWER-It is an interface that has only one abstract method (among other non-abstract methods) with the signature public boolean test(T t). True or False: A method with no access modifier defined in a class can be overridden by a method marked protected (assuming that it is not final) in the sub class. CORRECT ANSWER-True An Overriding method is allowed to make the overridden method more accessible, a...

AP CSA Code HS section 2 Questions and Answers 100% Solved What is an object in Java? An object is something that contains both state and behavior. Which of the following best describes the relationship between a class and an object? A class definition specifies the attributes and behavior of every object that will be made. Every class definition has each of the following EXCEPT A name Defined attributes Defined behaviors to manipulate the state of the objects Defined objects as c...

ASU CSE 110 Exam 1 Questions With 100% Verified Answers Which of the following refers to a collection of programs that a computer executes? - answerSoftware Computers are machines that - answerexecute programs Computer programming is - answerthe act of designing and implementing a computer program Consider the following statements regarding computers: I. Computers can execute a large number of instructions in a fraction of a second. II. Computer application areas mainly target the resea...

What is the method signature for the main method of a Java program? - ANS - main(String[] args) What is overloading? - ANS - two methods that have the same name but different method signatures What is overriding? - ANS - Declaring a method in a sub class which is already present in the parent class in order to make the method more specialized to that sub class True or False, assertEquals uses .Equals() - ANS - True If you have a child class that is extended a parent class, and that parent...