<![CDATA[import java.io.*;
public class IOmethods {
public void writeString(String s, RandomAccessFile out) throws IOException {
for (int i = 0; i < s.length(); i++)
out.writeChar(s.charAt(i));
}
public String readString(int len, RandomAccessFile in) throws IOException {
String s = "";
for (int i = 0; i < len; i++)
s += in.readChar();
return s;
}
public String readLine() throws IOException {
int ch;
String s = "";
while (true) {
ch = System.in.read();
if (ch == -1 || (char)ch == '\n') // end of file or end of line;
break;
else if ((char)ch != '\r') // ignore carriage return;
s = s + (char)ch;
}
return s;
}
}
]]>