[Java] 读写字符串数据

package test.stream;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/**
 * 读写字符串数据
 * @author Frost.Yen
 * @E-mail 871979853@qq.com
 * @date 2016年4月13日
 */
public class TestWriteData01 {
    public static void main(String[] args) {
        FileOutputStream fos = null;
        FileInputStream fis = null;
        try {
            fos = new FileOutputStream("E:\\JAVA\\Examples\\To Learn\\src\\test\\stream\\data.dat");
            String hello = "hello world";
            byte[] buf = hello.getBytes();
            fos.write(buf, 0, buf.length);

            String str = String.valueOf(12024568);
            fos.write(str.getBytes(), 0, str.getBytes().length);
            str = String.valueOf(13);
            fos.write(str.getBytes(), 0, str.getBytes().length);
            str = String.valueOf(28);
            fos.write(str.getBytes(), 0, str.getBytes().length);

            fis = new FileInputStream("E:\\JAVA\\Examples\\To Learn\\src\\test\\stream\\data.dat");
            byte[] buf1 = new byte[1024];
            int len = 0;
            while((len = fis.read(buf1))>=0){
                System.out.write(buf1, 0, len);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally {
            try {
                if(fos!=null) fos.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                if(fis!=null) fis.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

    }
}