a$.$ The terms class, object and package are often used in OOP. Briefly explain with examples,

what they define

$(6$ marks$)$

b$.$ What makes a constructor a "special" method in Java? What are the different rypes of

constructors used in Java? Use examples to demonstrate

c$.$ Write code for the main method in Java

d$.$ Explain what is meant by a modifier, and then list and explain three access modifiers.

$(4$ marks$)$

Question $2$

a$.$ Differentiate between $4$ types of variables used in OOP.

b$.$ Use an example to explain how an object is created and instantiated in a pava program, and

the different parts of the code used.

c$.$ Describe and give a relevaint example of a method's signature

d$.$ Draw a class UML diagram and implement it using Java, and then create $3$ objects.