Java Puzzles to Test              Your Programming              skills in 2024

10

1

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Write code that iterates through numbers. For multiples of 3, print "Fizz"; for multiples of 5, print "Buzz"; for both, print "FizzBuzz".

FizzBuzz

2

Determine if two strings are anagrams of each other (contain the same letters used the same number of times).

Anagram Check

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3

Write code to identify if a word or phrase reads the same backward as forward (e.g., "racecar")

Palindrome Check

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4

Given two words, find a sequence of words where you change one letter at a time to connect the starting and ending words. Each word must be a real word in the dictionary.

Word Ladder

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5

Can you crack the code? Write a program that can solve a Sudoku puzzle using backtracking or other techniques.

Sudoku Solver

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6

Place N queens on an N x N chessboard such that no two queens threaten each other (diagonally, horizontally, or vertically). Solve for different values of N.

N-Queens Problem

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7

Given a graph and weights for its edges, find the subset of edges that connects all vertices with minimal total weight. (This is a good exercise for graph algorithms)

Minimum Spanning Tree 

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8

Solve the classic puzzle where you move disks between three rods based on specific rules.

Tower of Hanoi

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9

Implement a program that demonstrates the producer-consumer problem using threads and synchronization.

Producer-Consumer Problem

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10

Write a program to find the shortest path for a knight to traverse an entire chessboard, visiting each square exactly once.

Chessboard Knight Traversal

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