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Section 4.11 ObjUse-WE5-P1
Subgoals for Calling a Method.
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Classify method as
static method or
instance method
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If
static, use the class name
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If
instance, must have or create an instance
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Write (instance / class) dot method name and ( )
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Determine whether parameter(s) are appropriate
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Number of parameters passed must match method declaration
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Data types of parameters passed must be compatible with method declaration
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Determine what the method will return and where it will be stored
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Evaluate right hand side of assignment. Value is dependent on method’s purpose
Subsection 4.11.1
Exercises Exercises
1.
Q14: What number goes in the blank so that a random value between 0 and 5 will be generated?
Random random = new Random();
int die = random.nextInt(_______);
2.
Q15: Click on the method calls of the Random instance in the following code
Random rand = new Random();
int flippedCoin = rand.nextInt(2);
int playingCard = rand.nextInt(52);
3.
Q16: Click on the parameters passed to method calls of the Random instance in the following code
Random rand = new Random();
int flippedCoin = rand.nextInt(2);
int playingCard = rand.nextInt(52);
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