Exercise1. public class Grade { public static void main( String[] args ) double grade = 92.0; if( grade >= 90 ){ System.out.printin( "Excellent!" ); else if( (grade < 90) && (grade >= 80)){ System.out.printin("Good job!" ); else if( (grade < 80) && (grade >= 60)){ System.out.printin("Study harder!" ); else{ System.out.printlin("Sorry, you failed."); ノ ノ
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- Public classTestMain { public static void main(String [ ] args) { Car myCar1, myCar2; Electric Car myElec1, myElec2; myCar1 = new Car( ); myCar2 = new Car("Ford", 1200, "Green"); myElec1 = new ElectricCar( ); myElec2 = new ElectricCar(15); } }public class LabProgram { public static void main(String args[]) { Course course = new Course(); String first; // first name String last; // last name double gpa; // grade point average first = "Henry"; last = "Cabot"; gpa = 3.5; course.addStudent(new Student(first, last, gpa)); // Add 1st student first = "Brenda"; last = "Stern"; gpa = 2.0; course.addStudent(new Student(first, last, gpa)); // Add 2nd student first = "Jane"; last = "Flynn"; gpa = 3.9; course.addStudent(new Student(first, last, gpa)); // Add 3rd student first = "Lynda"; last = "Robison"; gpa = 3.2; course.addStudent(new Student(first, last, gpa)); // Add 4th student course.printRoster(); } } // Class representing a student public class Student { private String first; // first name private String last; // last name private double gpa; // grade point average…Class Quiz public Quiz (int quesList, int quesMissed) {quesList = this.quesList;quesMissed = this.quesMissed;} private void calculate(){// get the point worth of each question and calculate final scorepointsPerQues = (100/quesList);scoreQuiz = quesList - quesMissed;} Class PassFailQuiz public PassFailQuiz (int quesList, int quesMissed, int scoreQuiz) { super(quesList, quesMissed);} How do I move scoreQuiz from private void calculate() to equal the third constructor value in PassFailQuiz?
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- 3 public class ShippingCalculator { public static void main(StringO args) { new Scanner(System.in); 1 st passed 5 Scanner scnr int shipWeightPounds; int shipCostCents = 0; final int FLAT_FEE_CENTS = 75; 7 Altasts passed 8 10 final int CENTS_PER_POUND = 25; System.out.print("Enter shipping weight: "); shipWeightPounds = scnr.nextInt(); shipCostCents = FLAT_FEE_CENTS + shipWeightPounds * CENTS_PER_POUND; 11 12 13 14 15 16 17 System.out.println("Weight(lb): " + shipWeightPounds); 19 Suctom Aut nnin+1nr"Elnt foofconte): ELAT CCE CETS): Run X Testing shipWeightPounds = 10 Output differs. See highlights below. Special character legend Enter shipping weight: Weight (lb) : 10 Flat fee (cents): 75 Your output Cents per pound: 25 Shipping cost (cents) : 325 Weight (1b) : 10 Flat fee (cents): 75 Expected output Cents per pound: 25 Shipping cost (cents): 325 X Testing shipWeightPounds = 2C# problem when printing Weigh no value shows up code public class HealthProfile{private String _FirstName;private String _LastName;private int _BirthYear;private double _Height;private double _Weigth;private int _CurrentYear;public HealthProfile(string firstName, string lastName, int birthYear, double height, double weigth, int currentYear){_FirstName = firstName;_LastName = lastName;_BirthYear = birthYear;_Height = height;_Weigth = weight;_CurrentYear = currentYear;}public string firstName { get; set; }public string lastName { get; set; }public int birthYear { get; set; }public int height { get; set; }public double weight { get; set; }public int currentYear { get; set; }public int Person_Age{get { return _CurrentYear - _BirthYear; }}public double Height{get { return _Height; }}public double Weight{get { return Weight; }}public int Max_Heart_Rate{get { return 220 - Person_Age; }}public double Min_Target_Heart_Rate{get { return Max_Heart_Rate * 0.65; }}public double…// This class discounts prices by 10% public class DebugFour4 { public static void main(String args[]) { final double DISCOUNT_RATE = 0.90; int price = 100; double price2 = 100.00; tenPercentOff(price DISCOUNT_RATE); tenPercentOff(price2 DISCOUNT_RATE); } public static void tenPercentOff(int p, final double DISCOUNT_RATE) { double newPrice = p * DISCOUNT_RATE; System.out.println("Ten percent off " + p); System.out.println(" New price is " + newPrice); } public static void tenPercentOff(double p, final double DISCOUNT_RATE) { double newPrice = p * DISCOUNT_RATE; System.out.println"Ten percent off " + p); System.out.println(" New price is " + newprice); } }
- Based on Figure 3, create a class named Child that inherits the Father class. Declare an instance name location (String) for class Child. [3 marks]class Main { publicstaticvoid main(String[] args) { // Coin myPenny = new Coin(CoinType.PENNY); // Coin myNickel = new Coin(CoinType.NICKEL); // Coin myDime = new Coin(CoinType.DIME); // Coin myQuarter = new Coin(CoinType.QUARTER); // Coin myHalfDollar = new Coin(CoinType.HALF_DOLLAR); // Coin myDollar = new Coin(CoinType.DOLLAR); // System.out.println(printValue(myPenny)); // System.out.println(printValue(myNickel)); // System.out.println(printValue(myDime)); // System.out.println(printValue(myQuarter)); // System.out.println(printValue(myHalfDollar)); // System.out.println(printValue(myDollar)); } publicstatic String printValue(Coin c){ String result = ""; // result = String.format("The value of a %s is $%.2f", c.getName(), c.getValue()); return result; } }public class Course { private String courseNumber, courseTitle; public Course() { } public Course(String courseNumber, String courseTitle) { this.courseNumber = courseNumber; this.courseTitle = courseTitle; } public void setCourseNumber(String courseNumber) { this.courseNumber = courseNumber; } public void setCourseTitle(String courseTitle) { this.courseTitle = courseTitle; } public String getCourseNumber() { return courseNumber; } public String getCourseTitle() { return courseTitle; } public void printInfo() { System.out.println("Course Information: "); System.out.println(" Course Number: " + courseNumber); System.out.println(" Course Title: " +…