Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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[画像:### Code Explanation: The code provided is a Java program that defines a `Main` class with a `main` method and a private static method called `mystery`. #### Main Method: - An integer array `myArray` is initialized with the values `{3, 41, 7, 12, 9, 1, 15, 11, 17}`. - A variable `result` is used to store the output of the `mystery` method, passing `myArray` as the argument. - The `result` is printed to the console. #### Mystery Method: - This method takes an integer array `arr` as input. - It initializes an integer `number` to 0. - A `for` loop iterates over each element of the array. - For each element, it checks if the element is greater than 8. - If true, it adds the element's value to `number`. - Finally, it returns the value of `number`. ### Output Calculation: The `mystery` method sums all values in `myArray` that are greater than 8: - Values greater than 8: `41, 12, 9, 15, 11, 17` - Sum of these values: `41 +たす 12 +たす 9 +たす 15 +たす 11 +たす 17 = 105` ### Multiple Choice Options: - 41 - 105 - 3, 7, 1, 15, 11, 17 - 83 ### Correct Answer: The correct output is `105`.]
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Transcribed Image Text:### Code Explanation: The code provided is a Java program that defines a `Main` class with a `main` method and a private static method called `mystery`. #### Main Method: - An integer array `myArray` is initialized with the values `{3, 41, 7, 12, 9, 1, 15, 11, 17}`. - A variable `result` is used to store the output of the `mystery` method, passing `myArray` as the argument. - The `result` is printed to the console. #### Mystery Method: - This method takes an integer array `arr` as input. - It initializes an integer `number` to 0. - A `for` loop iterates over each element of the array. - For each element, it checks if the element is greater than 8. - If true, it adds the element's value to `number`. - Finally, it returns the value of `number`. ### Output Calculation: The `mystery` method sums all values in `myArray` that are greater than 8: - Values greater than 8: `41, 12, 9, 15, 11, 17` - Sum of these values: `41 +たす 12 +たす 9 +たす 15 +たす 11 +たす 17 = 105` ### Multiple Choice Options: - 41 - 105 - 3, 7, 1, 15, 11, 17 - 83 ### Correct Answer: The correct output is `105`.
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