This program tests the Employee class

 
/*
 This program is a part of the companion code for Core Java 8th ed.
 (http://horstmann.com/corejava)

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.Date;
import java.util.GregorianCalendar;

/**
 * This program tests the Employee class.
 * 
 * @version 1.11 2004-02-19
 * @author Cay Horstmann
 */
public class EmployeeTest {
  public static void main(String[] args) {
    // fill the staff array with three Employee objects
    Employee[] staff = new Employee[3];

    staff[0] = new Employee("Carl Cracker", 75000, 1987, 12, 15);
    staff[1] = new Employee("Harry Hacker", 50000, 1989, 10, 1);
    staff[2] = new Employee("Tony Tester", 40000, 1990, 3, 15);

    // raise everyone's salary by 5%
    for (Employee e : staff)
      e.raiseSalary(5);

    // print out information about all Employee objects
    for (Employee e : staff)
      System.out.println("name=" + e.getName() + ",salary=" + e.getSalary() + ",hireDay="
          + e.getHireDay());
  }
}

class Employee {
  public Employee(String n, double s, int year, int month, int day) {
    name = n;
    salary = s;
    GregorianCalendar calendar = new GregorianCalendar(year, month - 1, day);
    // GregorianCalendar uses 0 for January
    hireDay = calendar.getTime();
  }

  public String getName() {
    return name;
  }

  public double getSalary() {
    return salary;
  }

  public Date getHireDay() {
    return hireDay;
  }

  public void raiseSalary(double byPercent) {
    double raise = salary * byPercent / 100;
    salary += raise;
  }

  private String name;

  private double salary;

  private Date hireDay;
}

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This program tests the Employee class : class object « Class « Java

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