第08章_流_IO_缓冲流

减少IO读取硬盘的次数 保护硬盘

import java.io.*;

public class Test20180521{
public static void main(String args[]){
try{
BufferedWriter s11= new BufferedWriter (new FileWriter("H:\\Test\\a.txt"));
BufferedReader s12 = new BufferedReader (new FileReader("H:\\Test\\a.txt"));
String e = null;
String a = null;
for (int i = 1;i <= 100 ;i++ ){
e = String.valueOf(Math.random());
s11.write(e);
s11.newLine();
}
s11.flush();                                                      //刷新
while ((a = s12.readLine()) != null){
System.out.println(a);
}
}
catch (IOException s){
System.out.println("IOException");
}
}
}