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Chapter 7: Problem 23
What import statement must you include in your code in order to use the Array List class?
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Look at the following method header: public static vold mymethod (double[] array) Here is an array declaration: double[] numbers = new double [100] Write a statement that passes the numbers array to the myMethod method.
A video rental store keeps videos on 50 racks with 10 shelves catch. Each shelf holds 25 videos. Declare a three-dimensional array large enough to represent the store's storage system.
Write statements that create the following arrays: a) \(A\) 100-clement int array referenced by the variable employeellumbers. b) \(A 25\) -clement double array referenced by the variable payRates. c) \(A\) 14-clement \(f\) loat array referenced by the variable miles. d) \(A 1000\) -clement char array referenced by the variable letters.
What value in an array does the selection sort algorithm look for first? When the selection sort finds this value, what does it do with it?
If a sequential search is performed on an array, and it is known that some items are searched for more frequently than others, how can the contents of the array be reordered to improve the average performance of the search?
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