Which of the following statements about regular expressions is true?

a. They are used to match specific character patterns in text.
b. They can be used to replace parts of one string with another, or to split a string.
c. They can be used to validate data to ensure that it’s in a particular format.
d. All of the above statements are true.


d. All of the above statements are true.

Computer Science & Information Technology

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Java supports type inferencing with the <> notation in statements that declare and create generic type variables and objects. For example, the following line:

``` List list = new ArrayList();``` can be written as: a. List<> list = new ArrayList<>(); b. List<> list = new ArrayList(); c. List list = new ArrayList<>(); d. List list = new ArrayList();

Computer Science & Information Technology

Firewalls are installed on a network to protect a company's internal network from dangers on the Internet

a. true b. false

Computer Science & Information Technology

A base type is one of _____ fundamental data types not defined in terms of other types.

A. 15 B. 19 C. 25 D. 29

Computer Science & Information Technology

A class’s attributes are specified by the class’s ________.

a. instance methods. b. instance variables. c. packages. d. None of the above.

Computer Science & Information Technology