Added <h3>Advanced</h3> in the comments where it was missing

core/src/processing/data/JSONArray.java

@@ -50,6 +50,7 @@ import processing.core.PApplet;
  * be generated from scratch, dynamically, or using data from an existing file.  
  * JSON can also be output and saved to disk, as in the example above.
  * 
+ * <h3>Advanced</h3>
  * A JSONArray is an ordered sequence of values. Its external text form is a
  * string wrapped in square brackets with commas separating the values. The
  * internal form is an object having <code>get</code> and <code>opt</code>

core/src/processing/data/JSONObject.java

@@ -62,7 +62,7 @@ import processing.core.PApplet;
  * existing file. JSON can also be output and saved to disk, as in the example
  * above.
  * 
- * 
+ * <h3>Advanced</h3>
  * A JSONObject is an unordered collection of name/value pairs. Its external
  * form is a string wrapped in curly braces with colons between the names and
  * values, and commas between the values and names. The internal form is an

core/src/processing/data/Table.java

@@ -55,6 +55,7 @@ import processing.core.PConstants;
  * "http://processing.github.io/processing-javadocs/core/processing/data/Table.html">Processing
  * Table Javadoc</a>.
  * 
+ * <h3>Advanced</h3>
  * <p>
  * Generic class for handling tabular data, typically from a CSV, TSV, or other
  * sort of spreadsheet file.