Case-Based Critical Thinking Questions
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Jorge has created a database for the herb garden he is planting this spring. Fields in the database include: Plant Name, When to Plant, Amount of Sun, Annual, and Perennial. He needs to answer the following questions using his database.
Which plants need full sun?
Which plants are Perennials?
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To create a datasheet that lists all herbs that are Perennials, Jorge will create a new query. The Perennial field has a data type of Yes/No. Which criterion should Jorge use in the query for the Perennial field?
A. Yes
B. >No
C. check=yes
D. ‘yes'
Answer: A
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Suppose class Child is derived from class Parent that was in turn derived from class GrandParent. This question concerns order of calls to constructors and destructors for these three classes. Declare an object of class Child. We know that Child, Parent and GrandParent constructors are called. In what order are these constructors are called? When the time comes to destroy the class Child object, we know that Child, Parent and GrandParent destructors are called. In what order are these destructor called?
What will be an ideal response?
Assume you have made the following assignment:
$ person=zach Give the output of each of the following commands. a. echo $person b. echo '$person' c. echo "$person"
TCP/IP applications have their own distinct _________ numbers.
Fill in the blank(s) with the appropriate word(s).
Does the return statement in the following method cause compile errors?
public static void main(String[] args) { int max = 0; if (max != 0) System.out.println(max); else return; } a. Yes b. No