A class-level variable Da. holds return values O b. holds input values Oc. is only scoped to methods. Od. is mostly used for constants, variables that never change from their initial value De. can be used in computations Choose all that apply.
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- For this Project you need to add methods after every case so that after every function like withdraw, deposit, and check balance it only runs when called.Given main(), complete the Car class (in file Car.java) with methods to set and get the purchase price of a car (setPurchasePrice(), getPurchasePrice()), and to output the car's information (printInfo()). Ex: If the input is: 2011 18000 2018 where 2011 is the car's model year, 18000 is the purchase price, and 2018 is the current year, the output is: Car's information: Model year: 2011 Purchase price: 18000 Current value: 5770 Note: printInfo() should use three spaces for indentation CarValue.java import java.util.Scanner;import java.lang.Math; public class CarValue {public static void main(String[] args) {Scanner scnr = new Scanner(System.in);Car myCar = new Car();int userYear = scnr.nextInt();int userPrice = scnr.nextInt();int userCurrentYear = scnr.nextInt();myCar.setModelYear(userYear);myCar.setPurchasePrice(userPrice);myCar.calcCurrentValue(userCurrentYear);myCar.printInfo();}} Car.Java public class Car {private int modelYear; // TODO: Declare purchasePrice field…Problem: To write the JUnit test cases for our methods, you need to create two test methods: testLeapYear: This method should test if the isLeapYear method returns true for a given leap year. For example, you can choose the year 2020 and verify if the method returns true for it. If it does, the test will pass. If it doesn't, the test will fail. testNotLeapYear: This method should test if the isLeapYear method returns false for a given non-leap year. For example, you can choose the year 1900 and verify if the method returns false for it. If it does, the test will pass. If it doesn't, the test will fail. --------------------------------------------------------------------------------------------------------------------------------------------------------- import static org.junit.jupiter.api.Assertions.assertTrue; import org.junit.jupiter.api.Test; public class LeapYearTest { // Test case to check if a year is a leap year @Test public void testLeapYear() { //create…
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- The following code is poorly structured. Rewrite it so that it has a better structure and avoids redundancy. To help eliminate redundancy, convert the code into a method named spending that accepts two parameters: a Scanner for the console, and a String for a single person's name, and prints the appropriate information about that person's bills. Your method could be called twice (once for John and once for Jane) to replicate the original code's behavior.Consider the below method which computes the value x. Specifically, x = (a*b)/c, based on inputs a, b, and c. This function have several problems. public int computeX (int a, int b, int c){ int x = (a*b)/c; Rewrite the method to fix these errors. return x;}Use two appropriate methods of String class to check if they are equal. The output of first method should be that they are not equal. And the output of the second method should be that they are equal. Partial code is given below to help you complete this question. You can ignore this entirely and write your..
- Write a class method to convert inches to centimeters (use doubletypes, and note that 1 inch = 2.54 cm). (No need to write the entire class— just the method will suffice) (Use Java)Write a method drivingCost() with input parameters drivenMiles, milesPerGallon, and dollarsPerGallon, that returns the dollar cost to drive those miles. All items are of type double. If the method is called with 50 20.0 3.1599, the method returns 7.89975. Define that method in a program whose inputs are the car's miles/gallon and the gas dollars/gallon (both doubles). Output the gas cost for 10 miles, 50 miles, and 400 miles, by calling your drivingCost() method three times. Output each floating-point value with two digits after the decimal point, which can be achieved as follows:System.out.printf("%.2f", yourValue); The output ends with a newline. Ex: If the input is: 20.0 3.1599 the output is: 1.58 7.90 63.20 Your program must define and call a method:public static double drivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon)Write unit test methods for the methods in the following code snippet. The methods that need to have unit test methods are bold. package ObstaclesWarrior; import static org.junit.Assert.assertArrayEquals;import static org.junit.Assert.assertEquals;import static org.junit.Assert.assertTrue; import java.io.File;import java.io.PrintWriter; import org.junit.Test; /*** Unit test*/public class MainTest { @Testpublic void ReadBoardFromFileTest() {final String FILE_NAME = "Board.dat"; //Either dynamically create the Board.dat file or assume it already exists/*File file = new File(FILE_NAME); PrintWriter printToFile = new PrintWriter(file); printToFile.println("4 4");printToFile.println("0 2");printToFile.println("2 2");printToFile.println("0 # # #");printToFile.println("# -3 # -5");printToFile.println("# # # #");printToFile.println("# # -1 #"); printToFile.close();*///Create start and exit positions to pass to the method. //These objects will be set with actual values from the//board file by…