(Java) Create an example of the Double-Checked Locking pattern and design a UML class diagram showing...
(Java) Create an example of the Double-Checked Locking pattern and design a UML class diagram showing its usage and purpose
Homework Answers
class DCLSingleton { private static voaltile DCLSingleton _instance = null; private DCLSingleton() { } public static DCLSingleton instance() { if (_instance == null) { // 1st check synchronized (DCLSingleton.class) { if (_instance == null) // 2nd check { _instance = new DCLSingleton(); } } } return _instance; } }
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(Java) Create an example of the Double-Checked Locking pattern
and design a UML class diagram showing...
Given the following construct a UML diagram for Java: Design a class named location for locating...
Given the following construct a UML diagram for Java: Design a class named location for locating a maximal value and its location in a two-dimensional array. The class contains public data fields row, column, and maxValue that store the maximum value and its indices in a two-dimensional array with row and column as int types and maxValue as double type. Write the following method that returns the location of the largest element in two-dimensional array: Public static Location locateLargest(double[][] a)...
Draw a UML class diagram (with associations) to show the design of the Java application. public...
Draw a UML class diagram (with associations) to show the design of the Java application. public class OOPExercises { public static void main(String[] args) { //A objA = new A(); B objB = new B(); System.out.println("in main(): "); //System.out.println("objA.a = "+objA.getA()); System.out.println("objB.b = "+objB.getB()); //objA.setA (222); objB.setB (333.33); //System.out.println("objA.a = "+objA.getA()); System.out.println("objB.b = "+objB.getB()); } } public class A { int a = 100; public A() {...
Draw the UML DIAGRAM ALSO PLEASE DRAW THE UML DIAGRAM.ALSO in java should use the program in java For this task you will create a Point3D class to represent a point that has coordinates in thr...
Draw the UML DIAGRAM ALSO
PLEASE DRAW THE UML DIAGRAM.ALSO
in java
should use the program in java
For this task you will create a Point3D class to represent a point that has coordinates in three dimensions labeled x, y and z. You will then use the class to perform some calculations on an array of these points. You need to draw a UML diagram for the class (Point3D) and then implement the class The Point3D class will have the...
For JAVA, Create a Class diagram showing an inherited relationship between two objects.
For JAVA, Create a Class diagram showing an inherited relationship between two objects.
C++ Design: Create a UML Class diagram that reflects the software design of your entire program...
C++ Design: Create a UML Class diagram that reflects the software design of your entire program Q3. Create a class called Passenger that represents passengers of an airline company. A passenger is defined by the following information: - Passenger ID (int) - Name (string) - Address (string) - Tel (string) - Date of birth (of type Date from Q2) Provide the following functions: - A constructor that initializes the data members and provides default arguments. - Accessor methods that return...
UML Design Pattern Help I am working on a project for class, I am making an...
UML Design Pattern Help I am working on a project for class, I am making an Basic E-Mail system These are my classes so far: composeMail() createAccount() createUser() deleteUser() inboxMail() outboxMail() reply() sendMail() trashMail() Can anyone help me with a class Diagram?
Draw a UML design class diagram that shows the following information. You are to create class...
Draw a UML design class diagram that shows the following information. You are to create class attribute and method names and other information using correct syntax. You can include the drawing in this Word document or in an additional PowerPoint file. The domain class is a concrete entity class named House. All attributes are private strings with initial null values. The attribute house identifier has the property of “key.” The other attributes are the builder of the house, the model...
Draw the UML class diagram in Java and write theequivalent Java code.Exercise 6 Person...
Draw the UML class diagram in Java and write the
equivalent Java code.Exercise 6 Person + name: string + age : int=0 Student + grades: list Professor + listofstudents : list
Create a UML Class Diagram for Video objects (the videos will be used in a game).
Create a UML Class Diagram for Video objects (the videos will be used in a game).
Write a Pet UML Diagram
Create your own UML diagram — similar to the above UML diagram — for a Pet class that meets the specification below. 1. Create the fields indicated below. Use these names exactly as given for your fields. Define them in exactly this order. • name — The name of the pet, e.g., “Rufus”, “Mittens”, “Smelly”, etc. • animal — The type of pet, e.g., “dog”, “cat”, “asparagus”, etc. • age — The (integer) number of years the pet has been alive, e.g., 1,...
Draw the UML DIAGRAM ALSO
PLEASE DRAW THE UML DIAGRAM.ALSO
in java
should use the program in java
For this task you will create a Point3D class to represent a point that has coordinates in three dimensions labeled x, y and z. You will then use the class to perform some calculations on an array of these points. You need to draw a UML diagram for the class (Point3D) and then implement the class The Point3D class will have the...
Draw the UML class diagram in Java and write the
equivalent Java code.Exercise 6 Person + name: string + age : int=0 Student + grades: list Professor + listofstudents : list
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