Absolute Java (6th Edition)
6th Edition
ISBN: 9780134041674
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 2STE
Write a method called yellIfNewYear that could be added to the class DateFirstTry in Display 4.1. The method yellIfNewYear has no parameters and outputs the string "Hurrah!" provided the month instance variable has the value "January" and the day instance variable has the value 1. Otherwise, it outputs the string "Not New Year's Day."
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Please answer JAVA OOP problem below:
Assume you have three data definition classes, Person, Student and Faculty. The Student and Faculty classes extend Person. Given the code snippet below, in Java, complete the method determinePersonTypeCount to print out how many Student and Faculty objects exist within the Person array. You may assume that each object within the Person[] is either referencing a Student or Faculty object.
public static void determinePersonTypeCount(Person[] people){
// Place your code here
}
Please answer JAVA OOP question below:
Consider the following relationship diagram between the Game and VideoGame data defintion classes.
Game has a constructor that takes in two parameters, title (String) and cost (double). The VideoGame constructor has an additional parameter, genre (String). In Java, efficiently write the constructors needed within the Game class and VideoGame classes.
Hint: Remember to think about the appropriate validation
Chapter 4 Solutions
Absolute Java (6th Edition)
Ch. 4 - Write a method called makeItNewYears that could be...Ch. 4 - Write a method called yellIfNewYear that could be...Ch. 4 - Prob. 3STECh. 4 - Write a method called happyGreeting that could be...Ch. 4 - Prob. 5STECh. 4 - Write a method called advanceYear that could be...Ch. 4 - Prob. 7STECh. 4 - Prob. 8STECh. 4 - Consider the definition of the method monthString...Ch. 4 - The method writeOutput in Display 4.2 uses the...
Ch. 4 - Rewrite the definitions of the methods getDay and...Ch. 4 - Rewrite the method getMonth in Display 4.2 using...Ch. 4 - In the definition of precedes in Display 4.7, we...Ch. 4 - Prob. 14STECh. 4 - Following the style guidelines given in this book,...Ch. 4 - Prob. 16STECh. 4 - List all the accessor methods in the class...Ch. 4 - List all the mutator methods in the class...Ch. 4 - Write a better version of the method dateOK with...Ch. 4 - What is the signature of each of the following...Ch. 4 - Prob. 21STECh. 4 - Prob. 22STECh. 4 - Prob. 23STECh. 4 - If a class is named CoolClass, what names are...Ch. 4 - Suppose you have defined a class such as the...Ch. 4 - What is a no-argument constructor? Does every...Ch. 4 - What would be the last line in the dialogue in...Ch. 4 - What would be the last line in the dialogue in...Ch. 4 - Write a program that outputs a certain coded...Ch. 4 - Prob. 2PPCh. 4 - Define a class called Journal that could be used...Ch. 4 - Define a class called WordCount whose objects...Ch. 4 - Write a grading program for a class with the...Ch. 4 - Prob. 7PPCh. 4 - Redefine the class Date in Display 4.13 so that...Ch. 4 - Define a class whose objects are records on animal...Ch. 4 - Prob. 10PPCh. 4 - Prob. 11PPCh. 4 - This programming project extends Programming...Ch. 4 - Your Community Supported Agriculture (CSA) farm...Ch. 4 - A comma-separated values (CSV) file is a simple...Ch. 4 - Prob. 15PP
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- In a shopping cart, there are various items, which can either belong to the category of household items or electronic items. The following UML diagram illustrates the relationship between items, household items, and electronic items. //Implementation Class public class ShoppingCart{ public static void main(String[] args){ final int MAX_ITEM = 50; Item cart = new Item[MAX_ITEM]; addItem(cart); // populate the item array printItem(cart); } } Considering that all the data definition classes and the implementation class are complete, which of the following Object-Oriented Programming (OOP) concepts do you need to use in the above context? i) Polymorphism ii) Method Overloading iii) Method Overriding iv) Dynamic Binding v) Abstract Class Explain, using course terminology, how you would use any of the above concepts to model the given scenario.arrow_forwardAnswer this JAVA OOP question below: An Employee has a name, employee ID, and department. An Employee object must be created with all its attributes. The UML diagram is provided below: - name: String - employeeId: String - department: String + Employee(name: String, employeeId: String, department: String) + setName(name: String): void + setEmployeeId(employeeId: String): void + setDepartment(department: String): void + getName(): String + getEmployeeId(): String + getDepartment(): String + toString(): String A faculty is an Employee with an additional field String field: rank public class TestImplementation{ public static void main(String[] args){ Employee[] allEmployee = new Employee[100]; // create an employee object with name Tom Evan, employee ID 001 and department IST and store it in allEmployee // create a faculty object with name Adam Scott, employee ID 002, department IST and rank Professor and store it in allEmployee } }arrow_forwardPlease answer this JAVA OOP question that is given below: An Employee has a name, employee ID, and department. An Employee object must be created with all its attributes. The UML diagram is provided below: - name: String - employeeId: String - department: String + Employee(name: String, employeeId: String, department: String) + setName(name: String): void + setEmployeeId(employeeId: String): void + setDepartment(department: String): void + getName(): String + getEmployeeId(): String + getDepartment(): String + toString(): String A faculty is an Employee with an additional field String field: rank Assuming the Employee class is fully implemented, define a Professor class in Java with the following: A toString() method that includes both the inherited attributes and the specializationarrow_forward
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