NullPointException


[ Follow Ups ] [ Post Followup ] [ ÀÚ¹Ù ¹¯°í ´äÇϱâ ]

Posted by ÀÌÁ¤ÀÓ on July 07, 1997 at 13:33:26:

In Reply to: PanelÀ» ÀûÀýÈ÷ »ç¿ëÇϼ¼¿ä... posted by Çϵ¿¿í on July 07, 1997 at 09:34:50:

¾È³çÇϼ¼¿ä~ ¿ì¼± Çϵ¿¿í´Ô²² °¨»çÀÇ ¸»¾¸À» ÀüÇÕ´Ï´Ù.ÆdzÚÀ» »ç¿ëÇÏ°í³ª¼­ ¾ÖÇø´À» ¶ç¿ì¸é NullPointException Error°¡ ³ª¿ä.Àü GridLayoutÀ» »ç¿ëÇß±¸¿ä. ¼Ò½º¸¦ º¸¿©µå¸®¸é ÀÌÇØÇϽñ⠽¬¿ï°Í °°¾Æ ¼Ò½º¸¦ º¸ÀÔ´Ï´Ù.ã¾ÆÁֽøé..¹«Ã´À̳ª °¨»çÇÏ°Ú½À´Ï´Ù~~import java.awt.*;


public class Monitoring1 extends java.applet.Applet{

Label alabel, blabel, clabel;
Label label_pgm_id, label_user_id, label_entr_time, label_cls_time, label_dept_code, label_ip_addr;
TextField SYS_ID, ENTR_TIME;
Button button_ok, button_close;
Panel line01, line02, line03, panel_button;


public void init(){


//GridLayout gridLag = new GridLayout(); <=¿ä·¸°Ô »ç¿ëÇØ¾ß ³Î~¿¡·¯°¡ ¾Ê³­´Ù´Âµ¥ Àß ¸ð¸£°Ú³×¿ä..°¼¿ì¶×~


setFont(new Font("Helvetica", Font.PLAIN,14));


alabel = new Label("Á¶È¸ÇÒ ½Ã½ºÅÛ");
SYS_ID = new TextField(10);
blabel = new Label("Á¶È¸ ³¯Â¥");
ENTR_TIME = new TextField(10);


button_ok = new Button("OK");
button_close = new Button("Close");
label_pgm_id = new Label("PGM_ID");
label_user_id = new Label("USER ID");
label_entr_time =new Label("Enter Time");
label_cls_time = new Label("Close Time");
label_dept_code = new Label("Dept Code");
label_ip_addr = new Label("IP Address");


line01.setLayout(new GridLayout(1,2));
line02.setLayout(new GridLayout(1,2));
panel_button.setLayout(new GridLayout(1,2));
line03.setLayout(new GridLayout(1,6));


add(line01);
add(line02);
add(panel_button);
add(line03);


line01.add(alabel);
line01.add(SYS_ID);
line02.add(blabel);
line02.add(ENTR_TIME);
panel_button.add(button_ok);
panel_button.add(button_close);
line03.add(label_pgm_id);
line03.add(label_user_id);
line03.add(label_entr_time);
line03.add(label_cls_time);
line03.add(label_dept_code);
line03.add(label_ip_addr);
}
}


Follow Ups:



À̾ ±Û¿Ã¸®±â(´äÇϱâ)

À̸§:
E-Mail:
Á¦¸ñ:
³»¿ë:
°ü·Ã URL(¼±ÅÃ):
URL Á¦¸ñ(¼±ÅÃ):
°ü·Ã À̹ÌÁö URL:


[ Follow Ups ] [ Post Followup ] [ ÀÚ¹Ù ¹¯°í ´äÇϱâ ]