Please present shortly the following: The characteristics of class constructors

• The differences between mutable and immutable objects and classes
• The differences between class (static) and instance (nonstatic) methods and data
• The difference between public and private instance variables
• The meaning and usage of the reserved word this
• How primitive and object parameters are implemented
• The difference between local and instance data with regard to scope and lifetime
• The mechanics of declaring and instantiating arrays of objects