Highlight a text while I'm typing

How can I highlight a text while I'm typing? For example, as soon as the user of my application has typed the word "void" in my JTextPane, the word "void" becomes green. How can I do it? Is it possible with only the class Highlighter (etc.) or the class Document/StyleConstants (etc.)?

Is it possible with only the class Highlighter (etc.) The highlighter highlights the background, not the text.
Search the forum using "syntax highlighting" to find solutions that have been proposed over the years.

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  • How to create column header text while downloading file

    How can we create column header text while downloading file using function GUI_DOWNLOAD(in SAP Release 4.6c) because there is no FIELDNAMES parameter in
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    Hii,
      Check this sample code. I have called GUI_DOWNLOAD twice. Onetime to download header of table and next time data of table
    REPORT  z_file_download.
    DATA: w_name(90) TYPE c.
    DATA:
      BEGIN OF fs_flight,
        carrid   LIKE sflight-carrid,
        connid   LIKE sflight-connid,
        fldate   LIKE sflight-fldate,
        price    LIKE sflight-price,
        currency LIKE sflight-currency,
      END OF fs_flight.
    DATA:
      BEGIN OF fs_head,
        carrid(10) TYPE c,
        connid(10) TYPE c,
        fldate(10) TYPE c,
        price(10) TYPE c,
        curr(10) TYPE c,
      END OF fs_head.
    DATA:
      t_head LIKE
       TABLE OF
             fs_head.
    DATA:
      t_flight LIKE
         TABLE OF
               fs_flight.
    fs_head-carrid = 'CARRID'.
    fs_head-connid = 'CONNID'.
    fs_head-fldate = 'FLDATE'.
    fs_head-price  = 'PRICE'.
    fs_head-curr   = 'CURRENCY'.
    APPEND fs_head TO t_head.
    SELECT-OPTIONS:
      s_carrid FOR fs_flight-carrid.
    START-OF-SELECTION.
      SELECT carrid
             connid
             fldate
             price
             currency
        FROM sflight
        INTO TABLE t_flight
       WHERE carrid IN s_carrid.
    CALL FUNCTION 'GUI_DOWNLOAD'
      EXPORTING
    *   BIN_FILESIZE                  =
        filename                      = 'D:\flight.xls'
       FILETYPE                      = 'ASC'
    *   APPEND                        = ' '
        WRITE_FIELD_SEPARATOR         = 'X'
    *   HEADER                        = '00'
    *   TRUNC_TRAILING_BLANKS         = ' '
    *   WRITE_LF                      = 'X'
    *   COL_SELECT                    = ' '
    *   COL_SELECT_MASK               = ' '
    *   DAT_MODE                      = ' '
    *   CONFIRM_OVERWRITE             = ' '
    *   NO_AUTH_CHECK                 = ' '
    *   CODEPAGE                      = ' '
    *   IGNORE_CERR                   = ABAP_TRUE
    *   REPLACEMENT                   = '#'
    *   WRITE_BOM                     = ' '
    * IMPORTING
    *   FILELENGTH                    =
      tables
        data_tab                      = t_head
    EXCEPTIONS
       FILE_WRITE_ERROR              = 1
       NO_BATCH                      = 2
       GUI_REFUSE_FILETRANSFER       = 3
       INVALID_TYPE                  = 4
       NO_AUTHORITY                  = 5
       UNKNOWN_ERROR                 = 6
       HEADER_NOT_ALLOWED            = 7
       SEPARATOR_NOT_ALLOWED         = 8
       FILESIZE_NOT_ALLOWED          = 9
       HEADER_TOO_LONG               = 10
       DP_ERROR_CREATE               = 11
       DP_ERROR_SEND                 = 12
       DP_ERROR_WRITE                = 13
       UNKNOWN_DP_ERROR              = 14
       ACCESS_DENIED                 = 15
       DP_OUT_OF_MEMORY              = 16
       DISK_FULL                     = 17
       DP_TIMEOUT                    = 18
       FILE_NOT_FOUND                = 19
       DATAPROVIDER_EXCEPTION        = 20
       CONTROL_FLUSH_ERROR           = 21
       OTHERS                        = 22
    IF sy-subrc NE 0.
    * MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
    *         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    ENDIF.
      CALL FUNCTION 'GUI_DOWNLOAD'
        EXPORTING
          filename                = 'D:\flight.xls'
          filetype                = 'ASC'
          append                  = 'X'
          write_field_separator   = 'X'
        TABLES
          data_tab                = t_flight
        EXCEPTIONS
          file_write_error        = 1
          no_batch                = 2
          gui_refuse_filetransfer = 3
          invalid_type            = 4
          no_authority            = 5
          unknown_error           = 6
          header_not_allowed      = 7
          separator_not_allowed   = 8
          filesize_not_allowed    = 9
          header_too_long         = 10
          dp_error_create         = 11
          dp_error_send           = 12
          dp_error_write          = 13
          unknown_dp_error        = 14
          access_denied           = 15
          dp_out_of_memory        = 16
          disk_full               = 17
          dp_timeout              = 18
          file_not_found          = 19
          dataprovider_exception  = 20
          control_flush_error     = 21
          OTHERS                  = 22.
      IF sy-subrc EQ 0.
        MESSAGE 'Download successful' TYPE 'I'.
      ENDIF.
      IF sy-subrc NE 0.
    *  MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
    *         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      ENDIF.
    Regards
    Abhijeet

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