JAVA 把1.txt中的数据读出来写到2.txt

public class CopyTest {

public static void main(String[] args) {
try {
Reader is = new FileReader("c:\\1.txt");
BufferedReader br = new BufferedReader(is);

Writer w = new FileWriter("e:\\2.txt");
PrintWriter pw = new PrintWriter(w);

String line;
while((line = br.readLine())!= null){
pw.write(line);
}
br.close();
pw.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}

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import java.io.*;
public class Copy {

/**
* @param args
*/
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
FileReader in = new FileReader("C://1.txt");
FileWriter out = new FileWriter("C://2.txt");

int c;
while((c=in.read())!= -1)
{<