package com.manze.stu;
import java.io.*;
public class IOTest {
public static void samples() throws IOException {
//1.
BufferedReader in = new BufferedReader(new FileReader("D:\\info.txt" ));
String s="",s2="";
while((s=in.readLine())!=null)
s2+=s+"
";
in.close();
//2.
StringReader in1 = new StringReader(s2);
int c;
while ((c = in1.read()) != -1)
System .out.print((char)c);
//3.
try {
BufferedReader in2 = new BufferedReader(new StringReader(s2));
PrintWriter out1 = new PrintWriter(new BufferedWriter(new FileWriter("D:\\IODemo.txt" )));
int lineCount = 1;
while ((s = in2.readLine()) != null )
out1.println(s);
out1.close();
} catch (EOFException e) {
System .err.println("End of stream" );
}
}
public static void main(String[] arg)
{
try {
IOTest.samples();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}