Recursion for Coding Interviews in Java

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1.Fundamentals of Recursion

What is Recursion?Recursion and Memory Visualization Direct vs. Indirect Recursion When to use Recursion What to Expect Understanding a Recursive Problem Advantages and Disadvantages

2.Iteration to Recursion

Iteration Recursion vs. Iteration Changing Iterative Code to Recursive Challenge 1: Length of a Linked List Solution Review: Length of a Linked List Quick Quiz on Iteration!

3.Recursion with Numbers

The Exponent of a Number Sum of Integers from 1 to n Modulo using Recursion Computing Fibonacci Sequence Challenge 1: Find the Greatest Common Divisor Solution Review: Find the Greatest Common Divisor Challenge 2: Check for Prime Number Solution Review: Check for Prime Number Challenge 3: Convert Decimal Number to Binary Number Solution Review: Convert Decimal Number to Binary Number Quick Quiz on Recursion with Numbers!

4.Recursion with Strings

Reversing a String Removing Duplicates in a String Merging Strings in Alphabetic Order Challenge 1: Let's find the total number of vowels!Solution Review: Let's find the total number of vowels!Challenge 2: Print all Permutations of a String Solution Review: Permutations of a String Challenge 3: Is this String a Palindrome?Solution Review: Is this String a Palindrome?Quick Quiz on Recursion with Strings!

5.Recursion with Arrays

Find the First Occurrence of a Number in an Array Count the Number of Occurrences of a Number in an Array Replacing each Negative Integer with a 0 in an Array Invert the Position of Elements in an Array Challenge 1: Find if the Array is a Palindrome Solution Review: Find if the Array is a Palindrome Challenge 2: Sort an Array Solution Review: Sort an Array Quick Quiz on Recursion with Arrays!

6.Recursion with Data Structures

Print a Reversed Linked List Sum Numbers in a Linked List Challenge 1: Search for a Value in a Linked List Solution Review: Search for a Value in a Linked List Insert Values in a Binary Search Tree Depth First Search in Graphs Topological Sort in Graphs Quick Quiz on Recursion with Data Structures!

Practice Mock Interview

Recursion for Coding Interviews in Java/

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Challenge 2: Sort an Array

Challenge 2: Sort an Array

In this lesson, you must sort an array using recursion.

We'll cover the following...

Problem Statement

Write a method sortArray ...