package nio2;

import java.io.*;

import java.nio.file.Path;

import java.nio.file.Paths;

/**

* Created by szh on 2017/5/6.

*/

public class MyPath {

private void pa() throws IOException {

Path path = Paths.get("D:\\JavaBasis\\新建文本文档.txt");

File file =path.toFile(); //相当于调用new File(this.fileName);

if(file.exists()){

System.out.println("Y");

}

// FileReader fileReader = (FileReader) new InputStreamReader(new FileInputStream(file)); 这样转会出错,因为Filereader和InputStream都属于Reader的子类

Reader fileReader = new InputStreamReader(new FileInputStream(file));

char[] c =new char[1024];

int len =0;

StringBuffer sb =new StringBuffer();

if((len=fileReader.read(c)) != -1){

// String s=new String(c,0,len);

sb.append(new String(c,0,len));

}

System.out.println(sb.toString());

}

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

new MyPath().pa();

}

}