Difference between object adapter pattern and class adapter pattern

Question

How to decide when to use object adapter and when to use class adapter?

Problem statement: To create social networking web site and provide import functionality from

Answer 1

A class adapter uses multiple inheritance to adapt one interface to another: (depending on your programming language: Java & C# does not support multiple inheritance)

An object adapter depends on object composition:

Images Source: Design Pattern (Elements of Reusable Object-Oriented Software) book