For the following class, write the code to create two different objects: public class Course{ private String courseCode; private int creditHours public Course(){ this.creditHours= 3; } public Course(String code, int h){ this.courseCode=code; this.creditHours =h; } } java
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
For the following class, write the code to create two different objects:
public class Course{
private String courseCode;
private int creditHours
public Course(){
this.creditHours= 3;
}
public Course(String code, int h){
this.courseCode=code;
this.creditHours =h;
}
}
java
Step by step
Solved in 2 steps
- For the following four classes, choose the correct relationship between each pair. public class Room ( private String m type; private double m area; // "Bedroom", "Dining room", etc. // in square feet public Room (String type, double area) m type type; m area = area; public class Person { private String m name; private int m age; public Person (String name, int age) m name = name; m age = age; public class LivingSSpace ( private String m address; private Room[] m rooms; private Person[] m occupants; private int m countRooms; private int m countoccupants; public LivingSpace (String address, int numRooms, int numoccupants) m address = address; new int [numRooms]; = new int [numOceupants]; m rooms %3D D occupants m countRooms = m countOccupants = 0; public void addRoom (String type, double area)public class Accumulator { private int total private String name; public Accummulator (string name , int total) { this .name = name; this .total=total; } } 3. In a main method, create an object of Accumulator with the name as "Mary" and total as 100.class Time { private int hour; private int minute; private int second; public Time( ) { } public Time(int hr , int min, int sec) { } public void setTime(int hr , int min, int sec) { } public void printTime( ) { } public void tick( ) { // tick method defined } } The class Time defines a time object. It represents time (military time) in 2400 hours. 10 AM = 10 hours, 0 minutes and 0 seconds 4 PM = 16 hours, 0 minutes and 0 seconds 7:26PM = 19 hours, 26 miunutes and 0 seconds Assume 0 represents 00 in this case. 1) Implement the two constructor: Time(): will set the instance variables to zero. Time(int hr , int min, int sec): will set the time with parameters passed in. 2) Implement the setTime method to set the instance variables according to the values passed in. 3) Implement the printTime method to print time in hours:minutes:seconds e.g.…
- this is my retail item code: //Import statements public class RetailItem { private String description; private int units; private double price; public RetailItem() { } public RetailItem(String x, int y, double z) { description = x; units = y; price = z; } public RetailItem(RetailItem i) { } public void setDescription(String x) { description = x; } public void setPrice(double z) { price = z; } void setUnits(int y) { units = y; } public int getUnits() { return units; } public String getDescription() { return description; } public double getPrice() { return price; } // Main class public static void main(String[] args) { String str = "Shirt"; RetailItem r1 = new RetailItem("Jacket", 12,…interface StudentsADT{void admissions();void discharge();void transfers(); }public class Course{String cname;int cno;int credits;public Course(){System.out.println("\nDEFAULT constructor called");}public Course(String c){System.out.println("\noverloaded constructor called");cname=c;}public Course(Course ch){System.out.println("\nCopy constructor called");cname=ch;}void setCourseName(String ch){cname=ch;System.out.println("\n"+cname);}void setSelectionNumber(int cno1){cno=cno1;System.out.println("\n"+cno);}void setNumberOfCredits(int cdit){credits=cdit;System.out.println("\n"+credits);}void setLink(){System.out.println("\nset link");}String getCourseName(){System.out.println("\n"+cname);}int getSelectionNumber(){System.out.println("\n"+cno);}int getNumberOfCredits(){System.out.println("\n"+credits); }void getLink(){System.out.println("\ninside get link");}} public class Students{String sname;int cno;int credits;int maxno;public Students(){System.out.println("\nDEFAULT constructor…class Course { private String courseNumber; private String courseName; private int creditHrs; public Course (String number, String name, int creditHrs){ this.courseNumber = number; this.courseName = name; this.creditHrs = creditHrs; } public String getNumber() { return courseNumber; } public String getName() { return courseName; } public int getCreditHrs() { return creditHrs; } public void setCourseNumber(String courseNumber) { this.courseNumber = courseNumber; } public void setCourseName(String courseName) { this.courseName = courseName; } public void setCreditHrs(int creditHrs) { this.creditHrs = creditHrs; }} class Student { private String firstName; private String lastName; private String gender; private String phoneNumber; private String email; private String jNumber; protected ArrayList<MyCourse> courseList; public String…
- 26. Assume the declaration of Exercise 24. A. Write the statements that derive the class dummyClass from class base as a private inheritance. (2 lines are { and }.) "A1 is { "A2 is "A3 is )) B. Determine which members of class base are private, protected, and public in class dummyClass. "B1 is dummyClass is a dePublic Class SavingsAccount { float interest; float FixedDeposit; SeniorAccount(float interest, float FixedDeposit) { this. interest = interest; this.fixedDeposit= FixedDeposit; } float calculateInterest(); { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*interest/100); } } Public Class SeniorAccount extends SavingAccount { float seniorInterest; SeniorAccount(float interest, float FixedDeposit) { this.seniorInterest=interest; super(interest, FixedDeposit) } float calculateInterest() { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*seniorinterest/10); } } Public static void main(String args[]) { SavingsAccount saving = new SavingsAccount(6,100000); System.out.println(saving.calculateinterest()); SeniorAccount senior=new seniorAccount(10,100000); System.out.println(Senior.calculateInterest()); } Correct the syntax and logical errorPublic Class SavingsAccount { float interest; float FixedDeposit; SeniorAccount(float interest, float FixedDeposit) { this. interest = interest; this.fixedDeposit= FixedDeposit; } float calculateInterest(); { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*interest/100); } } Public Class SeniorAccount extends SavingAccount { float seniorInterest; SeniorAccount(float interest, float FixedDeposit) { this.seniorInterest=interest; super(interest, FixedDeposit) } float calculateInterest() { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*seniorinterest/10); } } Public static void main(String args[]) { SavingsAccount saving = new SavingsAccount(6,100000); System.out.println(saving.calculateinterest()); SeniorAccount senior=new seniorAccount(10,100000); System.out.println(Senior.calculateInterest()); } Rubric: Correct the syntax and logical errors Proper working code
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