public CharSequence SubSequence(int start, int end) { return(new JavaString(StringExtensions.Substring(this.value, start, end))); }
public bool StartsWith(string prefix, int toffset) { return(toffset >= 0 && StringExtensions.Substring(this.value, toffset, prefix.Length).Equals(prefix)); }
public string Substring(int beginIndex, int endIndex) { return(StringExtensions.Substring(this.value, beginIndex, endIndex)); }