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

CIS 3145 MidTerm Exam Review Questions With Complete Solutions What is the Java Programming Language? - Correct Answer It was released in 1995 as a part of Sun Microsystems' Java platform. The language has developed much of its syntax from C and C++. Java applications are usually compiled to bytecode (class file) that can run on any Java Virtual Machine (JVM). Java is currently one of the most popular programming languages being used. How does the Java language compare to other languages? -...

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 - 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 source code pr...

CSC 1350 Final Exam Question and answers rated A+ 2024 CSC 1350 Final Exam (Comprehensive) Who writes the the source code(program), which is a .java file(s)? - correct answer The programmer What does Java run on? - correct answer Java runs on a target machine, it runs on the java virtual machine (JVM) what creates a byte code file (.class)? - correct answer The Java compiler creates a bytecode file (.class), this is an object file the JVM can run What is the object code? - co...

Interview Questions (Java Developer); Questions and Answers 100% Pass What is a immutable class? Correct answer-A defined class where state of the object cannot be modified. What is the default sorting order in TreeMap? Correct answer-Natural Ordering What is the difference between wait() and sleep() Correct answer-wait is from the object class, used from synchronized object block until lock is acquired . Simply used for thread synchronization

AP COMPUTER SCIENCE A UNIT 1 QUIZ GRADED A+ What is a `class` in Java? A class in Java is a blueprint for creating objects. It defines the properties (attributes) and behaviors (methods) that the objects of that class will have. Explain the difference between a `primitive data type` and a `reference data type`. A primitive data type holds simple values like integers, characters, and booleans. A reference data type holds references to objects, such as arrays or instances of cla...

AP Computer Science - String Class Latest Version Already Passed How do you convert a string to an integer in Java? You can convert a string to an integer using `IInt(String s)`. What method is used to find the length of a string in Java? The method used to find the length of a string is `Sh()`. How do you generate a random number between 0 (inclusive) and 1 (exclusive) in Java? You generate a random number using `Mm()`. What method would you use to compare two strings for equali...

Solutions Manual For A Comprehensive Introduction to Object-Oriented Programming with Java, 1e C. Thomas Wu All Chapters, 100% Original Verified, A+ Grade-Design a CD class where a CD object represents a single music CD. What kinds of information (artist, genre, total playing time, etc.) do you want to know about a CD? Among the information in which you are interested, which are instance variables? Are there any class variables or class constants? State Album Name instance variable Artist...

CPSC2150 Final Exam Review 2024 Graded A+ What should be included in a user story? - Answer-The role of the user, the action the user will take in the system, and the benefit to the user Can the system itself be in a user story? - Answer-No Which of the following are examples of non-functional requirements? A. The system should run on Unix B. The system must be written in Java C. The user is able to view the status of their order D. As a customer, I can place an order on the website, so ...

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...

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 ...