Answered: Write a method called isSorted that…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Methods Details: public static java.lang.StringBuffer[] getArrayStringsLongerThan(java.lang.StringBuffer[] array, int length) Returns a StringBuffer array with COPIES of StringBuffer objects in the array parameter that have a length greater than the length parameter. If no strings are found an empty array will be returned. Parameters: array - length - Returns: Throws:java.lang.IllegalArgumentException - When a null array parameter is provided
Write a static method: public static double intersectionSum(double[] a, double[] b) that takes two double arrays as arguments and returns the sum of the elements the two arrays have in common. In other words, the result should be the sum of every element in the two arrays where a[i] is equal to b[i] for some index i. Note that the two arrays may not be the same length. In these cases, you should only consider the indices that the arrays have in common (the indices of the shorter array). If either (or both) arrays are empty or null, the result should be 0.0. Example 1: intersectionSum({3.0, -4.0, 5.8, 6.75}, {3.0, 2.5, 5.8, 4.95}) è 8.8, since a[0] == b[0] and a[2] == b[2] and 3.0 + 5.8 = 8.8 Example 2: intersectionSum({8.5, 9.75, 1.25}, {3.5, 9.75, 1.25, 8.5, -2.34}) è11.0, since a[1] == b[1] and a[2] == b[2] and 9.75 + 1.25 = 11.0
Write a static method named joiner that accepts two arrays of strings al and a2 as parameters and returns a new array a3 such that each element of a3 at each index i stores a new string composed of the words stored at al[i] and a2[i] joined together with the word with the work having greater length (more characters) at the front of the concatenated string. If there is a tie, take the element from al. For example, if al and a2 store the following elements: String [] al String [] a2 {"star", "pie", "jelly bean", "car"}; {"cookie", "fig", "banana", "soda"}; Then your method should return the new array: {"cookiestar", "piefig", "jelly beanbanana", "sodacar"}. If the arrays al and a2 are not the same length, the result returned by your method should have as many elements as the shorter of the two arrays. For example, if al and a2 store the following elements: String[] al String[] a2 {"Splinter", "Leo", "April", "Don", "Raph"}; {"Krang", "Shredder", "Bebop"}; Then your method should return…

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