readNumber method
Implementation
String readNumber() {
StringBuffer result = StringBuffer();
while (canRead && (isDigit(peek()) || peek() == '.' || peek() == '-')) {
result.write(next());
}
return result.toString();
}
String readNumber() {
StringBuffer result = StringBuffer();
while (canRead && (isDigit(peek()) || peek() == '.' || peek() == '-')) {
result.write(next());
}
return result.toString();
}