자바 FileDialog를 이용해 TextArea에 데이터 넣기

package file;

import java.awt.FileDialog;

import java.awt.FlowLayout;

import java.awt.Frame;

import java.awt.Menu;

import java.awt.MenuBar;

import java.awt.MenuItem;

import java.awt.TextArea;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.Closeable;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

class A extends Frame implements ActionListener {

TextArea ta;

MenuBar mb;

Menu m;

MenuItem mi1, mi2;

FileDialog fd;

byte[] buffer;

A() {

fd = new FileDialog(this, "파일열어");

ta = new TextArea();

mb = new MenuBar();

m = new Menu("파일");

mi1 = new MenuItem("열기");

mi2 = new MenuItem("저장");

addCMP();

eve();

}

void addCMP() {

add(ta);

m.add(mi1);

m.add(mi2);

mb.add(m);

setMenuBar(mb);

setBounds(300, 300, 500, 500);

setLayout(new FlowLayout());

setVisible(true);

}

void eve() {

mi1.addActionListener(this);

}

@Override

public void actionPerformed(ActionEvent e) {

if (e.getSource() == mi1) {

fd.setVisible(true);

try (FileInputStream fos = new FileInputStream(fd.getDirectory()

+ fd.getFile());) {

buffer = new byte[fos.available()];

fos.read(buffer);

ta.setText(new String(buffer));

} catch (Exception ee) {

}

}

}

public static void main(String args[]) throws Exception {

A a = new A();

}

}