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*/
package pkg20221208fileiodemo;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author mikha
*/
public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
File file=new File("d://","HelloWorld.txt");
try {
file.createNewFile();//文件创建出来
if(file.exists())//如果文件存在
{
//创建输出流
FileOutputStream fOut=new FileOutputStream(file);
byte[] bytes="面向对象课程设计".getBytes();
fOut.write(bytes, 0, bytes.length);
fOut.close();
//输入流
FileInputStream fIn=new FileInputStream(file);
int end;
bytes=new byte[128];
while((end=fIn.read(bytes,0,bytes.length))!=-1)
{
String str=new String(bytes);
System.out.println(str);
}
fIn.close();//输入流关闭
}
} catch (IOException ex) {
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
}
}
}