Which of the statements are true about OOP Paradigm? (Multiple choice can be selected) A It is considered to be the blueprint of an object B The object that will be produced out of the said class will have the same fields/variables, functions/methods, and value C It has a special method called a constructor D It has a special variable called a constructor E None of the other choices are correct.
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Which of the statements are true about OOP Paradigm? (Multiple choice can be selected)
A It is considered to be the blueprint of an object
B The object that will be produced out of the said class will have the same fields/variables, functions/methods, and value
C It has a special method called a constructor
D It has a special variable called a constructor
E None of the other choices are correct.
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- Static variables can... ...can be accessed even without creating an object of that class. ...only be accessed by static methods. ...not be accessed using class prefix. ...not be inherited.Which of the following statements are correct about the class in the OOP paradigm? (A) It is considered to be the blueprint of an object The object that will be produced out of the said class will have the same fields/variables, functions/methods, B and values It has a special method called a constructor. (D It has a special variable called a constructor. (E) None of the other choices are correct.Create an Employee Class that will have Two instance variable: name and workingPeriod A class method named employeeByJoiningYear(): • To create an Employee object by joining year for calculating the working period o it will have two Parameter name and year • A static method experienceCheck() to check if an Employee is experienced or not o It will take working period and gender as parameter o If an employee's working period is less than 3, he or she is not experienced [You are not allowed to change the code below] # Write your code here employee1 = Employee('Dororo', 3) employee2 = Employee.employeeByJoiningYear('Harry', 2016) 6 print(employee1.workingPeriod) print(employee2.workingPeriod) print(employee1.name) print(employee2.name) print(Employee.experienceCheck(2, "male")) print(Employee.experienceCheck(3, "female")) Оutput 3 Dororo Harry He is not experienced She is experienced
- 1. For methods parameters are specified in the method definition, arguments are provided during a method call arguments are specified in the method definition, parameters are provided during a method call arguments override parameters parameters encapsulate arguments 2 Local variables are not automatically initialized. True False 3 Composition refers to an 'is-a' relationship. True False 4 Class constructors must be declared with a return type equal to the class. True False 5 Object instances are created using the “new” keyword. True FalseCLASS NAME List the instance variables in the constructor. List the methods in the class. - indicates private CLASS NAME List the instance variables in the constructor. List the methods in the class. The second row of the UML diagram lists the instance variables in the constructor. For example -name: string o o name is the variable name o string is the data type of name + indicates public o getName is the method name o o string is the return data type Java.util. The third row of the diagram lists the methods in the class. For example, +getName(): string empty parenthesie indicate nothing is sent to the method.Which Option is false about final classes Select one: A final class cannot be extended A final class cannot extend other classes A final method can be inherited A final method cannot be overridden in its subclasses
- Pick an object around you and create a class out of it - plan your class (Name, Parameters, Functionality) - your object has to have at least 4 parameters ( 2 string, 2 numbers) - your data has to be private - implement (override) the function __str__ to show the relative information for your function - create at least one extra function in your class for the object - create 4 different objects from your design class This question is based on python.Library Information System Design and Testing Library Item Class Design and TestingDesign a class that holds the Library Item Information, with item name, author, publisher. Write appropriate accessor and mutator methods. Also, write a tester program(Console and GUI Program) that creates three instances/objects of the Library Items class. Extending Library Item Class Library and Book Classes: Extend the Library Item class in (1) with a Book class with data attributes for a book’s title, author, publisher and an additional attributes as number of pages, and a Boolean data attribute indicating whether there is both hard copy as well as eBook version of the book. Demonstrate Book Class in a Tester Program (Console and GUI Program) with an object of Book class.QUESTION 5 Any variable with more than one responsibility should be replaced with multiple variables, therefore, apply the following refactoring?Remove Middle ManSplit VariableExtract ClassMove Field QUESTION 6 which of the following are indicators that you need to apply the Extract class refactoring technique? (choose two) When you have a complex expression in a methodYou have a class that changes in different ways for different reasons (e.g. "three methods change for a new database, while four other methods change for a new financial instrument")When you have a middle manYou have a class that has more than one responsibility QUESTION 7 Which of the following motivates the extract variable refactoring technique?Simplification of complex mathmatical or logical expressionsIncreasing performanceShortening long fucntionsRemoving moddle man
- The non-static class level variables and non-static methods of a class are known as a. instance members b. object behaviors c. object attributes O d. object referencesNeed an example of this format in java programming in eclipse Create a class 1. Define instance data fields 2. Define a constant properly; use the constant when needed 3. Define a constructor that receives parameters for instance data 4. Generate get and set methods for instance data (even though some methods may not be used) 5. Define 4 other methods • method one will not receive any parameters, but will return a value to the driver program • method two will receive one parameter, and will also return a value to driver program • method three will receive one parameter, and will also return a value to driver program • method four will receive 3 parameters from driver program and will be responsible for displaying all output B. Create a driver program 1. Instantiate objects passing specific data to the programmer written constructor 2. Call each of 3 methods, for each instantiated object, passing any required arguments, and saving any values being returned in a variable 3. Call the 4th…Question: Choose the correct one. Note: Give me all the answers without explanation. 1.It is an instance of the class Select one: a. Method b. Object c. Data member d. Constructor 2.The encapsulation concept means. Select one: a. The class has private constructors and methods b. The data members are public access c. The data members are private access d. you can't access the members of the class even from the class itself 3.char A[]="hahahah"; char* p=&A[0]; *p='na'; p="CII"; cout<<A; the output is. Select one: a. CIIhahahah b. hahahah c. aahahah d. nahahah 4.Let A is char array as follows: char A[]=”hahahah”; the length of A Select one: a. 32 characters b. 7 characters c. 28 characters d. 8 characters 5.class A{int x;}; class B:public A{int y;public: void add(){y=++x;}};to correct the error. Select one: a. We should use protected: in class A b. We should use private: in class A c. We should use protected: in class B d. We should use public: in class B…