________ uses an event to trigger the execution of code
Fill in the blank(s) with correct word
Event-driven programming
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Consider the Collection interface in the java.util package, which is the ancestor of both List and Set. Write preconditions and postconditions for the operations below and modify the constraints you wrote in exercises 9-1 and 9–2, knowing that contracts are inherited. Make sure you comply with the Liskov Substitution Principle.
a. int size() returns the number of elements in the collection. b. void add(Object e) adds an object to the collection. c. void remove(Object e) removes an object from the collection. d. boolean contains(Object e) returns true if the object is in the collection.
Spyware programs are harmless and should not be uninstalled if detected
Indicate whether the statement is true or false
A technician must be familiar with the different architectures and buses because
A) A customer may depend upon the technician for recommendations. B) A technician is responsible for repairing or replacing components. C) A technician must be able to configure adapters and devices for each bus. D) All these answers are true.
________ is a thin plastic strip with a magnetic coating that is used for storing audio, video, and data
Fill in the blank(s) with the appropriate word(s).