Is Java purely Object Oriented programming ?

Object oriented programming :
Java need classes or object to write a program.
Is java purely object oriented language?
Many people say java is not purely object oriented program, why?
what means purely object oriented?
It should not contain primitive data types like int, float char…
Every thing we should access by passing message through objects. Java has a static variables and methods which we can access with out using objects.
An important feature of object oriented program multiple inheritance is not supporting by java.

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why multiple inheritance is not supporting java. In java 6 types of inheritance