Java Projects for Beginners with Solutions and Explanation
Java Beginners Projects
You may read our Java tutorial and practice Java exercises before solving the following projects
1.
Simple Calculator : Perform basic arithmetic operations like addition, subtraction, multiplication, and division.
Input: 5, 3, +
Output: 8
2.
Currency Converter : Convert between different currencies based on user input.
Input: 100 USD to EUR
Output: 92.50 EUR (depends on current exchange rate)
3.
Unit Converter : Convert between various units (e.g., length, temperature, weight).
Input: Value, unit type (e.g., length, weight), and unit to convert to.
Output: Converted value in the target unit.
4.
Number Guessing Game : User guesses a randomly generated number within a range.
Input: User's guess of a number within a range (e.g., 1-100).
Output: Indication of whether the guess is too high, too low, or correct.
5.
Tic-Tac-Toe Game : Create a simple two-player console-based game.
Input: Player move (row and column) on a 3x3 grid.
Output: Updated game board and game status (win/draw/continue).
6.
Palindrome Checker : Check whether a given word or phrase is a palindrome.
Input: A word or phrase.
Output: Whether the input is a palindrome or not.
7.
BMI Calculator : Calculate Body Mass Index based on user input for weight and height.
Input: Weight (kg) and height (m).
Output: BMI value and corresponding category (e.g., underweight, normal, overweight).
8.
Prime Number Checker : Determine whether a given number is prime or not.
Input: A number.
Output: Whether the number is prime or not.
9.
Factorial Calculator : Calculate the factorial of a number using loops or recursion.
Input: A number.
Output: Factorial of the number.
10.
Fibonacci Sequence Generator : Generate the first N numbers of the Fibonacci sequence.
Input: Number of terms.
Output: First N numbers in the Fibonacci sequence.
11.
Armstrong Number Checker : Check if a number is an Armstrong number.
Input: A number.
Output: Whether the number is an Armstrong number or not.
12.
Vowel Counter : Count the number of vowels in a given string.
Input: A string.
Output: Number of vowels in the string.
13.
Password Validator : Check if a password meets certain security criteria (e.g., length, special characters).
Input: A password string.
Output: Whether the password is valid based on criteria (e.g., length, special characters).
14.
Basic Banking System : Create simple banking features like deposit, withdrawal, and balance check.
Input: User commands to deposit, withdraw, or check balance.
Output: Updated balance after transactions.
15.
Student Grade System : Calculate and store student grades for various subjects.
Input: Student name and grades for multiple subjects.
Output: Student's average grade and status (pass/fail).
16.
Simple Voting System:
Input: Candidate name or number to vote for.
Output: Confirmation of the vote and updated vote count for each candidate.
17.
Leap Year Checker:
Input: A year.
Output: Whether the year is a leap year or not.
18.
Simple Alarm Clock:
Input: Set the alarm time and optional message.
Output: Alarm triggered at the set time with a notification.
19.
Rock, Paper, Scissors Game:
Input: User's choice: rock, paper, or scissors.
Output: Result of the game (win, lose, or draw).
20.
Odd-Even Sorter:
Input: A list of numbers.
Output: Two lists: one with odd numbers, one with even numbers.
21.
Palindrome Number:
Input: A number.
Output: Whether the number is a palindrome or not.
22.
Simple Stopwatch:
Input: Start and stop commands.
Output: Elapsed time when the stopwatch is stopped.
23.
Sum of Digits:
Input: A number.
Output: Sum of the digits of the number.
24.
Reverse a String:
Input: A string.
Output: The reversed string.
25.
Find the Largest Number:
Input: An array or list of numbers.
Output: The largest number in the list.
Java Code Editor:
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