package charIO;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;

public class TestReader {

    public static void main(String[] args) {
        
        //創(chuàng)建源
        File src = new File("E:/jar/a/2.txt");
        
        //選擇流
        Reader reader = null;
        try {
            reader = new FileReader(src);
            
            //讀取操作
            char[] flush = new char[10];
            int length;
            
            while((length = reader.read(flush)) != -1){
                //字符數(shù)組轉(zhuǎn)換成字符串
                String str = new String(flush,0,length);
                System.out.println(str);
            }
            
        } catch (FileNotFoundException e) {
            e.printStackTrace();
            System.out.println("源文件不存在");
        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("文件讀取失敗");
        }finally{
            if(reader != null){
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}