package bufferedIO;

import java.io.*;

public class TestBufferedStream2 {
    public static void main(String[] args) {
        try {
            BufferedWriter bw = new BufferedWriter(new FileWriter("E:/jar/a.txt"));
            
            //BufferedReader管道 包含的是reader類(lèi)型
            BufferedReader br = new BufferedReader(new FileReader("E:/jar/a.txt"));
            
            //下面這段代碼為向里面寫(xiě)數(shù)據(jù)
            String s = null;
            for(int i=1;i<100;i++){
                //valueOf();將產(chǎn)生的隨機(jī)數(shù)轉(zhuǎn)換為字符串
                s = String.valueOf(Math.random());
                bw.write(s);
                //每寫(xiě)一個(gè)字符串，進(jìn)行換行
                bw.newLine();
            }
            //把緩沖的數(shù)據(jù)(小桶里面的數(shù)據(jù))倒光
            bw.flush();
            
            //下面這段代碼為向外讀數(shù)據(jù)
            //readLine();從一個(gè)文件里面讀一行出來(lái)，類(lèi)型為字符串
            while((s = br.readLine()) != null){
                System.out.println(s);
            }
            bw.close();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}