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Given an array of integers, return the sum of every other value in the array, starting with the first element. For example, if the array...
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Individual Exercises
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Given an array of integers, return the average of all values in the array as a double. For example, if an array containing the values...
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Given two integers size and num, return an array that can hold size integers and is filled with multiples of num, starting with num. For...
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Given an array of Strings, return a single String that is made up of all strings in the array concatenated together in order. For...
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Given an array of Strings, return a single String that is made up of all strings in the array concatenated together in reverse order. For...
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Given an array of integers and an integer target, return a count of the number of times the target value occurs in the array.
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Given an array of integers, return the largest value that occurs in the array. You may want to use the constant Integer.MIN_VALUE, which...
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Given an array of integers, return the smallest value that occurs in the array. You may want to use the constant Integer.MAX_VALUE, which...
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Given an array of double values that contains the prices of merchandise, return the range of the prices (the difference between the...
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Given an array of integers, swap each pair of adjacent elements starting with the first two. For example, if the array contains the...
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Given a String, return an array of char values that contains the characters of the string in reverse order. For example, if the string is...
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Given two strings of equal length, return an array of char values that contains the characters of the strings in alternating order. For...
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Iterate through the given array and return the number of fours.
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What would be the Big O Complexity for the following method?
public boolean crossRoad(boolean isSafe, int height, int length) { if...0
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Write a function in Java that takes the int array arr and returns a new array with each number being doubled. Be sure to make use of...
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What would be the Big O Complexity for the following method?
public static void arrayDoubleValue(int[] nums, int[][] nums2) { for (int i...0
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Given an int[] nums array, return the sum of the first five elements from the array. Note that nums could have fewer than five elements,...
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Create an enhanced for loop that iterates to each String in the array words and returns true when there is at least one String with more...
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Write a function findEvenQueue that returns the first even number in the Queue. The function looks at the value at the front of the queue...
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Return the index of first four in an array. Return -1 if there are none.
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Return the index of the last occurrence of a given number in an array. Return -1 if the number is not in the array.
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Roxy has written a method to count the number of people in her neighborhood, excluding children under 16 and individuals who are only...
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Mars' new colony needs your help. This morning, a flurry of distress signals reached Earth, each encrypted with a secret message....
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Complete the hashing algorithm for a hash table so that it functions using open addressing. Remember to store both keys and values in...
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Given a string str and an int n, return a string made of the first n characters of the string, followed by the first n - 1 characters of...