300.13从磁盘读取一个文件到内存中，再打印到控制台

import java.io.*;
public class E2{
public static void main(String[] args) throws Exception{
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("d:/kaka.txt")));
BufferedWriter bw = new BufferedWriter(new FileWriter("System.out",true));
String temp = null;
while((temp=br.readLine())!=null) {
System.out.println(temp);
bw.newLine();
}
bw.flush();
br.close();
bw.close();
}
}