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Q1: Click on the variables (object references) in the following code
/* reads input from default - keyboard */ Scanner input = new Scanner(System.in); /* reads input from InFile stream */ Scanner foo = new Scanner(InFile);
Section 4.2 ObjUse-WE1-P1
Subgoals for using objects (creating instances).
- Declare variable of appropriate class datatype.
- Assign to variable: keyword new, followed by class name, followed by ().
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Determine whether parameter(s) are appropriate (API)
- Number of parameters
- Data types of the parameters
Subsection 4.2.1
Exercises Exercises
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