DataIOTest

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

public class DataIOTest {

public static void main(String[] args) {

// TODO Auto-generated method stub

// 텍스트파일에 데이터를 출력하고

// 다시 불러 들어와 콘솔화면에 출력해주는 프로그램

try {

DataOutputStream dataout = new DataOutputStream(

new FileOutputStream("D:\\test.txt"));

try {

dataout.writeInt(123);

dataout.writeChar('k');

dataout.writeDouble(123.4);

dataout.close();

DataInputStream datain = new DataInputStream(

new FileInputStream("D:\\test.txt"));

System.out.println(datain.readInt());

System.out.println(datain.readChar());

System.out.println(datain.readDouble());

datain.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}