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" means nothing in java. It's just a bug in markup on the website you are using. Originally author mean something like this: static SerialPort serialPort = new SerialPort("COM4");
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Introduction. This part of the Web Standards Curriculum looks at the different codes that can be used to represent text characters when there is a need to escape them. There are a number of HTML entities that come in handy when there's a need for first-rate typesetting. Many of those listed in Table 1 are useful only when used in foreign language copy (and copy written in specific dialects ...
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form. The hhhh (or nnnn) may be any number of hexadecimal (or decimal) digits and may include leading zeros.
Learn how to use ISO entity definitions to include special characters and symbols in HTML+ documents. See examples of entities for Latin-1, Cyrillic, and other languages.
While Hypertext Markup Language has been in use since 1991, HTML 4.0 from December 1997 was the first standardized version where international characters were given reasonably complete treatment.When an HTML document includes special characters outside the range of seven-bit ASCII, two goals are worth considering: the information's integrity, and universal browser display.
If you want to display an ampersand in your HTML document, you need to use its corresponding entity (&). How to use entities. Using entities in your HTML code is pretty simple. All you need to do is replace the special character you want to display with its corresponding entity. Let's look at some examples: Example 1: Displaying special ...
With the exception of HTML 2.0's ", &, <, and >, these entities are all new in HTML 4.0 and may not be supported by old browsers. Support in recent browsers is good. Support in recent browsers is good.
Entity is a term from the Standard Generalized Markup Language (SGML), which refers to a reference to information that can be defined once and used throughout a document.
Character Entity Name Entity Number Description & & & Ampersand " " " Double quote mark < < < Less than symbol > > > Greater than symbol