Java input and filereader -
i trying open file , add textarea, textfile wont work not sure isnt working know compiler reaches function/method implement read in file code. here code
public class pictureandbutton extends jframe implements actionlistener { private jmenuitem menuoptionone = new jmenuitem("lägg till text", keyevent.vk_l); private jtextfield textfalt = new jtextfield(); public pictureandbutton() { menuinfo.add(menuoptionone); menuoptionone.addactionlistener(this); textfield.addactionlistener(this); setsize(350, 150); setdefaultcloseoperation(exit_on_close); setvisible(true); } public void actionperformed(actionevent e) { if(e.getsource() == menuoptionone) { readinfile(textfield.gettext()); } } private void readinfile(string hej) { try { bufferedreader infile = new bufferedreader(new filereader(hej)); while(true) { string rad = infile.readline(); if(rad == null) break; textarea.append(rad); } } catch(ioexception e){} } public static void main(string[] args) { pictureandbutton peanutbutter = new pictureandbutton(); } }
i running on eclipse , not getting errors, input text in textfield doesnt change @ all. nothing added text area. need on this
i trying open file , add textarea, ..
use jtextcomponent.read(reader,object) instead.
e.g.
textarea.read(new filereader(hej), hej);
Comments
Post a Comment