Bubble Sort and Quick Sort Algorithms
Definition and Approach
Bubble sort works by repeatedly comparing adjacent elements and swapping them if they are in the wrong order. This process continues until the entire array is sorted. The algorithm gets its name because smaller elements "bubble" to the top of the array, similar to how bubbles rise in water.
The basic idea is to ...
Posted on Sat, 08 Aug 2026 16:16:13 +0000 by jclarkkent2003
Quick-Sort-Based Interview Problems in Java with Optimized Solutions
Problem 1: Kth Largest Element in an Unsorted Array
Goal
Locate the k-th largest value in a integer array that is not pre-sorted.
Example
Input: [3, 2, 1, 5, 6, 4], k = 2
Output: 5
Optimized Java Implementation
import java.util.Random;
public final class KthLargestFinder {
private static final Random RNG = new Random();
public int ...
Posted on Mon, 06 Jul 2026 16:54:25 +0000 by apacheguy