Re: How can I use Operand (+ , - ) with Time

Jeff Higgins <jeff@invalid.invalid>
Sun, 15 Jan 2012 10:19:59 -0500
On 01/15/2012 08:32 AM, Jeff Higgins wrote:

On 01/15/2012 02:44 AM, sahm wrote:

Hi every One

I'm Try to do program to calculate the Over Time, I'm working with 24
hour not A.M.& P.M. and this is my Time format (HH:MM:SS) (00:00:00).
But how can I use operand (+, -) with Time

See Stefan for the answer.
An alternative follows.

This is my Code

import java.sql.Time;
import java.util.Date;

public class OverTimeDetailsDataClass {

String Emp_ID;
String OverTime_Doc_NO;
String OverTime_Date;
Time OverTime_Start_Time;
Time OverTime_End_Time;
Time OverTimeTotalHours;

OverTime_Start_Time =
OverTime_End_Time = Time.valueOf(OverTimeTOjTextField.getText());
OverTimeTotalHours = OverTime_End_Time - OverTime_Start_Time;

import java.sql.Time;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;

import javax.swing.JTextField;

public class OT {

public static void main(String[] args) {

JTextField OverTimeFromjTextField = null;
JTextField OverTimeTOjTextField = null;

   // The abstract class java.text.DateFormat
   // and it's concrete java.text.SimpleDateFormat
   // are good for getting/setting formatted input/output

Time OverTime_Start_Time;
Time OverTime_End_Time;

   // Unless you are using the JDBC API
   // you should avoid using the java.sql classes:
   // java.sql.Date, java.sql.Time, java.sql.Timestamp

   // in favor of java.util.Date, java.util.Calendar,
   // java.util.GregorianCalendar, java.util.Locale,
   // java.util.TimeZone, java.util.SimpleTimeZone

// Be aware: read the documentation for java.util.Calendar
TimeZone timeZone = TimeZone.getDefault();
Locale locale = Locale.getDefault();

Calendar startTime = Calendar.getInstance(timeZone,locale);
Calendar endTime = Calendar.getInstance(timeZone,locale);

OverTime_Start_Time =
OverTime_End_Time = Time.valueOf(OverTimeTOjTextField.getText());


// use the java.util.Calendar.add(int field, int amount) method
// as described in the documentation.



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