java coding standards for interfaces code example

Example 1: explain java coding standards for classes

It is recommended highly to follow java coding standards.
Classnames should start with uppercase letter. Classnames names should be nouns.
If Class name is of multiple words then the first letter of inner word must be 
capital letter.
Ex : Employee, EmployeeDetails, ArrayList, TreeSet, HashSet

Example 2: java coding standards for interfaces

1) Interface should start with uppercase letters
2) Interfaces names should be adjectives
Example : Runnable, Serializable, Marker, Cloneable