1/ Write a BankAccountTester class whose main method constructs a bank account, deposits $1,000, withdraws $500, withdraws another $400, and then prints the remaining balance. Also print the expected result 2/ Implement a class Employee. An employee has a name (a string) and a salary (a double). Provide a constructor with two arguments public Employee(String employeeName, double currentSalary) and methods public String getName() public double getSalary() public void raiseSalary(double byPercent) These methods return the name and salary, and raise the employee's salary by a certain percentage. Sample usage: Employee harry = new Employee("Hacker, Harry", 50000); harry.raiseSalary(10); // Harry gets a 10 percent raise Supply an EmployeeTester class that tests all methods.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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1/ Write a BankAccountTester class whose main method constructs a bank account, deposits $1,000, withdraws $500, withdraws another $400, and then prints the remaining balance. Also print the expected result

 

2/ Implement a class Employee. An employee has a name (a string) and a salary (a double). Provide a constructor with two arguments public Employee(String employeeName, double currentSalary) and methods

public String getName()

public double getSalary()

public void raiseSalary(double byPercent)

These methods return the name and salary, and raise the employee's salary by a certain percentage. Sample usage:

Employee harry = new Employee("Hacker, Harry", 50000);

harry.raiseSalary(10); // Harry gets a 10 percent raise

Supply an EmployeeTester class that tests all methods.

 

3/Implement a class Car with the following properties. A car has a certain fuel efficiency (measured in miles/gallon or liters/km—pick one) and a certain amount of fuel in the gas tank. The efficiency is specified in the constructor, and the initial fuel level is 0. Supply a method drive that simulates driving the car for a certain distance, reducing the amount of gasoline in the fuel tank. Also supply methods getGasInTank, returning the current amount of gasoline in the fuel tank, and addGas, to add gasoline to the fuel tank. Sample usage:

Car myHybrid = new Car(50); // 50 miles per gallon 

myHybrid.addGas(20); // Tank 20 gallons 

myHybrid.drive(100); // Drive 100 miles 

double gasLeft = myHybrid.getGasInTank(); // Get gas remaining in tank 

You may assume that the drive method is never called with a distance that consumes more than the available gas. Supply a CarTester class that tests all methods.

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