String (String line) { int n = line.length(); if (n == 0) { return line; } char ch = line.charAt(n - 1); if (ch == '\n' || ch == '\r') { n--; } else { return line; } if (n > 0) { char ch2 = line.charAt(n - 1); if ((ch2 == '\n' || ch2 == '\r') && ch2 != ch) { n--; } } return line.substring(0, n); }