Problems with OBP

public class Date1 extends Object{

private int month,day,year;

public Date1(int m,int d,int y){

month = checkMonth(m);

year = y;

day = checkDay(d);

System.out.println("Date object for date:"+toDateString());

} // end Date1 constructor

public int checkMonth(int testm){

if(testm>=0&&testm<=12)

return testm;

else{

System.out.println("Invalid month("+testm+") set to 1.");

return 1;

}

}

public int checkDay(int testd){

int daysPerMonth[] = {0,31,28,31,30,31,30,31,31,30,31,30,31};

if(testd>=0&&testd<=daysPerMonth[month])

return testd;

if(month==2&&testd==29&&(year%400==0||(year%4==0&&year%100!=0)))

return testd;

System.out.println("Invalid day("+testd+") set to 1.");

return 1;

}

public String toDateString(){

return month+"/"+day+"/"+year;

}

}

public class Employee extends Object{

private String firstName,lastName;

private Date1 birthDate,hireDate;

public Employee(String first,String last,Date1 birthOfDate,Date1 hireOfDate){

firstName = first;

lastName = last;

birthDate = birthOfDate;

hireDate = hireOfDate;

} // end Employee constructor

public String toEmployeeString(){

return firstName+" "+lastName+

" BirthDate: "+birthDate.toDateString()+

" , Hired in: "+hireDate.toDateString();

} // end toEmployeeString method

}

import javax.swing.*;

public class EmployeeTest{

public static void main(String args[]){

String out = "";

Date1 birth = new Date1(2,29,1988);

Date1 hire = new Date1(3,31,2006);

Employee employee = new Employee("John ","Bob ,",birth,hire);

out += employee.toEmployeeString();

JOptionPane.showMessageDialog(null,out);

System.exit(0);

}

}

bronzestar at 2007-7-7 14:12:45 >