黑马程序员 java IO BufferedInputStream BufferedOutputStream 读文件 写文件

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;


public class I_07_IO_FileInputStream {


/**
* @param args
*/
static String path = "C:\\Users\\Administrator\\Desktop\\";
static String fileName = "fileWriter.txt";


public static void main(String[] args) {
// TODO Auto-generated method stub
fileOutputStream();
fileInputStream();
}


public static void fileOutputStream() {
BufferedOutputStream bos = null;
try {
bos = new BufferedOutputStream(
new FileOutputStream(path + fileName));
bos.write("bufferedOutputSteream".getBytes());
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bos != null)
bos.close();
} catch (IOException e) {
e.printStackTrace();
}
}


}


public static void fileInputStream() {
BufferedInputStream bis = null;
try {
bis = new BufferedInputStream(new FileInputStream(path + fileName));
int ch = 0;
while ((ch = bis.read()) != -1) {
System.out.print((char) ch);
}


} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bis != null)
bis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}