I am using Calendar class, and want to see if a date is older then 24 hours

i have a Calendar class instance, and i want to test if the current date & time is older then 24 hours. i have been playing with for 2 hours. anyone know how to do this?

One way is to call .getTime().getTime() (yes, that's 2 of 'em) on the Calendar object, which converts the Calendar's time to a milliseconds value which can be compared to System.currentTimeMillis()
The two times are within 24 h of each other if the ms values differ by less than 86 400 000.

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Using Calendar class and time stamp

I am trying to generate a timestamp for posted messages using the following code:
Calendar cal = Calendar.getInstance();
int m = cal.get(Calendar.MONTH);
String dd = new String().valueOf(cal.get(Calendar.DAY_OF_MONTH));
String yy = new String().valueOf(cal.get(Calendar.YEAR));
String hh = new String().valueOf(cal.get(Calendar.HOUR));
String min = new String().valueOf(cal.get(Calendar.MINUTE));
String sec = new String().valueOf(cal.get(Calendar.SECOND));
String time = hh+":"+min+":"+sec;
However, it seem that when there's a time such as 12:02:08, the actual variable time is as follows: 12:2:8 because the leading zeros are removed? I wouldn't think using it as a String would cause that but I suppose it could be my data types. OR is there an easy way to correct this?
thanks in advance,
Chuck

You could try:
String hh = (cal.get(Calendar.HOUR) < 10) ? "0" + new String().valueOf(cal.get(Calendar.HOUR)) : new String().valueOf(cal.get(Calendar.HOUR));
As Dr Clap already said, you should probably use SimpleDateFormat. I'm sure you can use it to generate whatever formats you need for your unique filenames.

I am using a MacBook and want to back up my data onto an external device. Does anyone know which I should use?

Can someone please suggest a backup storage unit that would go well with a MacBook?

Pretty much an well-known USB or Firewire external drive. If you want bootable clones, Western Digital hard-drives are known to have occasional problems.

Using Calendar class

Hi all,
can anybody help me for developing a program using Calendar class.what i am trying to do is
I have javascript calendar file. daily working hours in perticular project (user give input).
when i am selecting whole week days can i get total of weekly working hours and total in the next page or same page.
please help me. I am strucking here
thanks&regards
Vijaya

Do you want a Java program, or a JavaScript program. Java != JavaScript

Hi when i use treeMap class and if i exit the program

hi
hi when i use treeMap class and if i exit the program,
what will happen? the information that i put in the treeMap will be disappear??
if it is like that,,how am i able to retrieve my data...when i restart my program..
once i put ID as key and put my customer information,
in it, after exit my program,, and i can't find
my customers by their ID,,,,,,,,,how can,,i solve it......

what will happen? the information that i put in the
treeMap will be disappear??Yes. Of course. If you want data to hang around you have to tell the computer. If you want anything to happen you have to tell the computer.
if it is like that,,how am i able to retrieve my
data...when i restart my program..Tada! Tell the computer. Your simplest option is to use Serialization.
Before exiting your program, serialize your TreeMap to disk. After starting your program serialize your TreeMap from disk.
First stop should be your text book to learn what Serialization is and how it works, then try to write some code, then ask us to help with any problems.
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ALV using ABAP Classes and Objects

Hi All,
I am trying to print the values in my internal table using ALV, using ABAP classes and objects. Here the title for columns are picked based on the title specified in the data element. I want to set the title of my columns by my own. how to achieve this ?. Please provide me a sample code if possible.
thanks & regards,
Navneeth.K

Hello Navneeth
The following sample report shows how to build and modify a fieldcatalog (routine <b>BUILD_FIELDCATALOG_KNB1</b>).
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REPORT zus_sdn_alvgrid_events.
DATA:
gd_okcode        TYPE ui_func,
gt_fcat          TYPE lvc_t_fcat,
go_docking       TYPE REF TO cl_gui_docking_container,
go_grid1         TYPE REF TO cl_gui_alv_grid.
DATA:
gt_knb1          TYPE STANDARD TABLE OF knb1.
PARAMETERS:
p_bukrs      TYPE bukrs DEFAULT '2000' OBLIGATORY.
*       CLASS lcl_eventhandler DEFINITION
CLASS lcl_eventhandler DEFINITION.
PUBLIC SECTION.
    CLASS-METHODS:
      handle_hotspot_click FOR EVENT hotspot_click OF cl_gui_alv_grid
        IMPORTING
          e_row_id
          e_column_id
          es_row_no
          sender.
ENDCLASS.                    "lcl_eventhandler DEFINITION
*       CLASS lcl_eventhandler IMPLEMENTATION
CLASS lcl_eventhandler IMPLEMENTATION.
METHOD handle_hotspot_click.
*   define local data
    DATA:
      ls_knb1     TYPE knb1,
      ls_col_id   TYPE lvc_s_col.
    READ TABLE gt_knb1 INTO ls_knb1 INDEX e_row_id-index.
    CHECK ( ls_knb1-kunnr IS NOT INITIAL ).
    CASE e_column_id-fieldname.
      WHEN 'KUNNR'.
        SET PARAMETER ID 'KUN' FIELD ls_knb1-kunnr.
        SET PARAMETER ID 'BUK' FIELD ls_knb1-bukrs.
        CALL TRANSACTION 'XD03' AND SKIP FIRST SCREEN.
      WHEN 'ERNAM'.
*        SET PARAMETER ID 'USR' FIELD ls_knb1-ernam.
*        NOTE: no parameter id available, yet simply show the priciple
        CALL TRANSACTION 'SU01' AND SKIP FIRST SCREEN.
      WHEN OTHERS.
*       do nothing
    ENDCASE.
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*   field KUNNR which will always raise event HOTSPOT_CLICK
    ls_col_id-fieldname = 'BUKRS'.
    CALL METHOD go_grid1->set_current_cell_via_id
      EXPORTING
        is_row_id    = e_row_id
        is_column_id = ls_col_id.
ENDMETHOD.                    "handle_hotspot_click
ENDCLASS.                    "lcl_eventhandler IMPLEMENTATION
START-OF-SELECTION.
SELECT        * FROM knb1 INTO TABLE gt_knb1
         WHERE bukrs = p_bukrs.
* Create docking container
CREATE OBJECT go_docking
    EXPORTING
      parent                      = cl_gui_container=>screen0
      ratio                       = 90
    EXCEPTIONS
      OTHERS                      = 6.
IF sy-subrc <> 0.
*   MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*              WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
* Create ALV grid
CREATE OBJECT go_grid1
    EXPORTING
      i_parent          = go_docking
    EXCEPTIONS
      OTHERS            = 5.
IF sy-subrc <> 0.
*   MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*              WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
* Set event handler
SET HANDLER:
    lcl_eventhandler=>handle_hotspot_click FOR go_grid1.
* Build fieldcatalog and set hotspot for field KUNNR
PERFORM build_fieldcatalog_knb1.
* Display data
CALL METHOD go_grid1->set_table_for_first_display
    CHANGING
      it_outtab       = gt_knb1
      it_fieldcatalog = gt_fcat
    EXCEPTIONS
      OTHERS          = 4.
IF sy-subrc <> 0.
*   MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*              WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
* Link the docking container to the target dynpro
CALL METHOD go_docking->link
    EXPORTING
      repid                       = syst-repid
      dynnr                       = '0100'
*      CONTAINER                   =
    EXCEPTIONS
      OTHERS                      = 4.
IF sy-subrc <> 0.
*   MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*              WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
* ok-code field = GD_OKCODE
CALL SCREEN '0100'.
END-OF-SELECTION.
*&      Module STATUS_0100 OUTPUT
*       text
MODULE status_0100 OUTPUT.
SET PF-STATUS 'STATUS_0100'.
* SET TITLEBAR 'xxx'.
ENDMODULE.                 " STATUS_0100 OUTPUT
*&      Module USER_COMMAND_0100 INPUT
*       text
MODULE user_command_0100 INPUT.
CASE gd_okcode.
    WHEN 'BACK' OR
         'END' OR
         'CANC'.
      SET SCREEN 0. LEAVE SCREEN.
    WHEN OTHERS.
ENDCASE.
CLEAR: gd_okcode.
ENDMODULE.                 " USER_COMMAND_0100 INPUT
*&      Form BUILD_FIELDCATALOG_KNB1
*       text
* --> p1        text
* <-- p2        text
FORM build_fieldcatalog_knb1 .
* define local data
DATA:
    ls_fcat        TYPE lvc_s_fcat.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
    EXPORTING
*     I_BUFFER_ACTIVE              =
      i_structure_name             = 'KNB1'
*     I_CLIENT_NEVER_DISPLAY       = 'X'
*     I_BYPASSING_BUFFER           =
*     I_INTERNAL_TABNAME           =
    CHANGING
      ct_fieldcat                  = gt_fcat
    EXCEPTIONS
      inconsistent_interface       = 1
      program_error                = 2
      OTHERS                       = 3.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
LOOP AT gt_fcat INTO ls_fcat
          WHERE ( fieldname = 'KUNNR' OR
                  fieldname = 'ERNAM' ).
    ls_fcat-hotspot = abap_true.
    ls_fcat-scrtext_s = '<short text>'. " short text of column
    ls_fcat-scrtext_m = '<medium text>'. " medium text of column
    ls_fcat-scrtext_l   = '<long text>'. " longtext text of column
    ls_fcat-tooltip      = '...'. " ALV control: Tool tip for column header
    ls_fcat-coltext    = '...'.   " ALV control: Column heading
    MODIFY gt_fcat FROM ls_fcat.
ENDLOOP.
ENDFORM.                    " BUILD_FIELDCATALOG_KNB1
Regards
Uwe

Customizing FD01 and FB70 using PS Class and Characteristics

Hello SAP Experts
I have the following issue:
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Please kindly give your suggestions. Thanks in advance
Regards,
Nik

Joao Paulo,
Thank you for the response. I have tried to obtain some info from OSS but no luck. Tried all means but there is limited information available.
Nik

I know that how to convert any documents to pdf file, but don't know how to get barcode on it. I am using windows 8.1. and want to see barcode on my documents before the print. Please help.

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Can someone tell me how many seconds the cross fade is when running your nano in that mode? I teach spin class and want to know how much time I'm losing in that mode.

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How to upload using upload button and want to process it....

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I need a program to upload a file [Excel file] using upload button and
want to process the excel sheet and store the data in database.
I know that we can upload using Html - file type.
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I am using Calendar class, and want to see if a date is older then 24 hours

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