A symbol for an operation—like a + for addition or a - for subtraction—is a(n) ________

Fill in the blank(s) with the appropriate word(s).

Answer: arithmetic operator

Computer Science & Information Technology

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Which of the following statements creates a multidimensional array with 3 rows, where the first row contains 1 element, the second row contains 4 elements and the final row contains 2 elements?

a. int[][] items = {{1, null, null, null}, {2, 3, 4, 5}, {6, 7, null, null}}; b. int[][] items = {{1}, {2, 3, 4, 5}, {6, 7}}; c. int[][] items = {{1}, {2, 3, 4, 5}, {6, 7}, {}); d. int[][] items = {{1}, {4}, {2}};

Computer Science & Information Technology

The ____ directory allows companies to offer their Web services by acting like a telephone book for Web services.

A. SOAP B. XML C. UDDI D. WSDL

Computer Science & Information Technology