What is the complexity of the bubble sort algorithm in the worst case scenario?

a. O(n^2)
b. O(n)
c. O(2^n)
d. O(log(n))

a. O(n^2)
For an unsorted set of data, bubble sort is not an efficient solution.

Computer Science & Information Technology

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A technician needs to remove the ability of standard users to shut down or restart a shared computer. Which of the following commands can be used to accomplish this task?

a. gpedit.msc b. shutdown.exe c. services.msc d. bootrec.exe

Computer Science & Information Technology

To find the character at a certain index position within a String, use the method ________.

a. getChars, with the index as an argument b. getCharAt, with the index as an argument c. charAt, with the index as an argument d. charAt, with the character you are searching for as an argument

Computer Science & Information Technology