When should attributes be used in an X M L document?
What will be an ideal response?
Attributes are included within an X M L element tag and should describe something about the X M L element.
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What does method visibility mean?
What will be an ideal response?
_________ is the virtual storage assigned to a process.
A) ?Virtual address space ? B) ?Virtual address C) ?Real address ? D) ?Address space
Analyze the following code.
``` public class Test { int x; public Test(String t) { System.out.println("Test"); } public static void main(String[] args) { Test test = null; System.out.println(test.x); } }``` a. The program has a compile error because test is not initialized. b. The program has a compile error because x has not been initialized. c. The program has a compile error because you cannot create an object from the class that defines the object. d. The program has a compile error because Test does not have a default constructor. e. The program has a runtime NullPointerException because test is null while executing test.x.
Which of the following is NOT true regarding query joins?
A) A query join is a temporary or virtual relationship between two tables in a query that do not have an established relationship or common field with the same field name and data type. B) Tables that are joined in a saved query also save to the Relationships window. C) The type of join used will indicate which records the query will select or perform an action on. D) You can control which records will be displayed in the query dataset by using query joins.