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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...
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Individual Exercises
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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...
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There exists an abstract class Bird.
public abstract class Bird { public Bird() {} public String eat() { return "worms"; } public...
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[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...
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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.
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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,...
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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...
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The method wabbajack() is defined as follows:
public String wabbajack(String input) { if (input.length() < 5) { return "Rabbit"; }...
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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...
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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...
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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...
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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.
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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...
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This method takes an array of integers as a parameter. It returns true if the elements in the array are unique, false otherwise. For...
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Complete this method to return the two String parameters combined (concatenated) together.
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Write a Java statement to declare an integer variable with the name hours that has an initial value of 7.
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Complete this method to print out the parameter.
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Complete this method to produce the following output:
Every java programmer must understand the difference between a System.out.print...
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Complete this method to print the two String parameters combined (concatenated) together.
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Complete this method to return the parameter received.
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This method takes an integer array as a parameter and returns true if the array includes an odd integer; otherwise, the method returns...
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This method accepts two integer arrays as its parameters and returns a new array, which contains all of the elements of first parameter...