Which of the following allows you to connect to the Internet wirelessly?
a. WiFi
b. 4G LTE
c. mobile hotspot
d. all of the above
D
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Classes and interfaces for the JDBC API can be found in which package?
a. java.jdbc. b. javax.jdbc. c. java.sql. d. java.sql.jdbc.
A new class of objects can be created conveniently by inheritance—the new class (called the ________) starts with the characteristics of an existing class (called the ________), possibly customizing them and adding unique characteris-tics of its own.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1. If we want to find the median of 100 scores, we need 100 separate variables to hold the data.. 2. An array behaves like a list of variables each of which is of the same type and for which there is a uniform, convenient naming convention that can be declared in a single line of code. In the explanation, give an example of declaration and access. 3. With arrays, indices start at any number the programmer chooses to indicate in the definition. 4. The programmer should always use a defined constant in an array declaration. 5. When using an array, it is perfectly legal to access indexed variables with index values less than 0 or greater than or equal to the declared size of the array.
____ is a service that provides the assurance that an entity remains honest about its actions.
A. Nonrepudiation B. Availability C. Integrity D. Confidence