Greetings,all:

I am having difficulty in understanding when we need to create an instance of a 
class and when we do not. 

In lab 1036, we create:
public class JavaArray 

Then immediately create an instance of that class: public JavaArray().

Further in that same lab, we create:
public class DaysOfTheWeek

And we do not create an instance. 

Any clarification would be helpful. 
Thx,

DaveB

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