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[Based on an exercise at https://codeworkout.cs.vt.edu/]
Given two int arrays a and b, each with two elements, return a new array with...
Exercises
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Write a method quicksort that takes in an ArrayList of integers and returns them in ascending order, using a quicksort style of sorting....
0
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Write an algorithm that takes an ArrayList and uses a recursive binary search to return both the index of a given String, or -1 if the...
0
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As a wild publicity stunt May Tricks has made her Middletown store disappear! You have no idea how she did this or if the store will ever...
0
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Since May Tricks has proved to be a very unpredictable client you have decided to take extra precautions. By creating a remove vertex...
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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...
0
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[Based on an exercise at https://codeworkout.cs.vt.edu/]
Given an array of Strings, return a single String that is made up of all strings...
0
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[Based on an exercise at https://codeworkout.cs.vt.edu/]
Given an array of int values, return true if the group of n numbers at the start...
0
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Design a recursive method for scrambling Strings of length 3 or more. It must swap the first and last character of the input String, then...
0
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There exists an abstract class Bird.
public abstract class Bird { public Bird() {} public String eat() { return "worms"; } public...0
/ 10
Complete the method below for evaluating the substring of any string. If the given string is empty, return "Empty". If the parameters are...
0
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What will be the output of the following code?
public class Answer { System.out.println("Hello World!".substring(6)); } 0
/ 15
[Based on an exercise at https://codeworkout.cs.vt.edu/]
Write a function in Java that takes an int array as its parameter. It should...
0
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[Based on an exercise at https://codeworkout.cs.vt.edu/]
Given an array containing three ints, return the sum of all the elements.
0
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[Based on an exercise at https://codeworkout.cs.vt.edu/]
Write a function in Java that implements the following logic: Given a string,...
0
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A local grocery store has asked you to design a method to verify if their produce is okay to put on the shelves. The method takes an...
0
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The method wabbajack() is defined as follows:
public String wabbajack(String input) { if (input.length() < 5) { return "Rabbit"; }...0
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[Based on an exercise at https://codeworkout.cs.vt.edu/]
Write a function in Java that returns a version of the given array where all the...
0
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Write a recursive function int countBTleaves(BinNode root) to count the number of leaf nodes in the binary tree pointed at by root. You...
0
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A string is a palindrome if it reads the same forward and backward, with case insensitivity. For example, the words "mom", "dad", "Mom",...
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Write a function in Python called 'factorial()' that will take a positive integer as input and returns its factorial as output....
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Write a function in C++ called 'factorial' that will take a positive integer as input and returns its factorial. In math, a factorial is...
0
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Write a function in Ruby called 'factorial()' that will take a positive integer as input and returns its factorial as output. backwards.
...0
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Write a function that returns true if a is even, false otherwise. Just for practice, you must use an if statement.
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This method takes an array of integers as its parameters and returns nothing. The method moves each element in the array to the right by...