2.2.1. ObjUse-WE2-P1

Subgoals for using objects (creating instances)

1. Declare variable of appropriate class datatype.

2. Assign to variable: keyword new, followed by class name, followed by ().

3. Determine whether parameter(s) are appropriate (API)

   1. Number of parameters

   2. Data types of the parameters

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ObjUse-WE2-P1

Q5: CClick on the variables (object references) in the following code

/* creates new random object with default seed */
Random rand = new Random();
/* creates new random object with seed parameter */
Random rand2 = new Random(1234567890);

Q6: Click on the class names (but not constructors) in the following code

/* creates new random object with default seed */
Random rand = new Random();
/* creates new random object with seed parameter */
Random rand2 = new Random(1234567890);

Q7: Click on the calls to the Random constructor in the following code

/* creates new random object with default seed */
Random rand = new Random();
/* creates new random object with seed parameter */
Random rand2 = new Random(1234567890);

Q8: Click on the parameters which are passed to the Random constructor in the following code

/* creates new random object with default seed */
Random rand = new Random();
/* creates new random object with seed parameter */
Random rand2 = new Random(1234567890);

public class main{ public static void main(String args[]){ } }

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