import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
public class Main {
public static void main(String[] argv) {
readTextFile(new File("c:\\a.txt"));
}
public static String readTextFile(File filename) {
try {
BufferedReader br = new BufferedReader(new FileReader(filename));
StringBuilder sb = new StringBuilder();
String line = br.readLine();
while (line != null) {
sb.append(line + "\n");
line = br.readLine();
}
br.close();
return sb.toString();
} catch (Exception e) {
e.printStackTrace();
System.err.println(filename);
System.err.println(e);
return "";
}
}
}