Q: Primefaces Nested table I want to represent my list as follows using a datatable in primefaces:
+----------+------------+-----------+
|Country   |   Name     |   Age     |
+----------+------------+-----------+
|          |    xxxxx   | 25        |
|          +------------+-----------+        
|    A     |    yyyyy   |  22       |
|          +------------+-----------+
|          |    zzzz    |...
+----------+------------+
|          |            |..
....

I have a List:
List<MyObject>

MyObject has following attributes:
Country
Name
Age

