d. The UML models operations by listing the operation name preceded by an access modifier. A(n) ________ indicates a public operation in the UML.

a. -
b. +
c. p
d. *


b. +

Computer Science & Information Technology

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Consider the following button element, which executes a computation and displays the result when clicked:

``` ``` Create a Web page named number.html that contains the above button. Mathematically speaking, multiplying x * (1/x) should yield 1, regardless of the particular value of x. Click the button and report the value that is displayed in the alert window. If it is not 1, can you explain why not?

Computer Science & Information Technology

According to the research firm Alexa, ________ is currently the number two most popular site on the web after Google

A) Twitter B) LinkedIn C) Facebook D) Pinterest

Computer Science & Information Technology

A(n) ____ key is a field that contains a unique label by which we can identify a record or row in a table.

A. identity B. foreign C. primary D. local

Computer Science & Information Technology

int[][] myVals = new int[3][] myVals[0] = new int[3]; myVals[1] = new int[10]; myVals[2] = new int[5]; ? The above code depicts a jagged array. What does this mean? Describe the rows and columns that make up this array.

What will be an ideal response?

Computer Science & Information Technology