Need Beginner Project Ideas

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Hi, I'm almost brand new to Java and the most complicated project that I have finished so far is a program that sorts three numbers from largest to smallest, and returns error messages if two values are the same or if I enter a character that is not a number. 
I'm looking for fun project ideas that I can accomplish, but that also challenge me. Any suggestions? 
  1. Post:397

    Re: Need Beginner Project Ideas

    First of all try to implement Simple Calculator - This could be as easy as writing switch-case. At the same time, if you think of extending simple to scientific calculator this could reveal many OOP concepts to you.
    Game of Tic Tac Toe - Quite challenging and fun

    One thing you can try which will be very useful is a utility class which allows you to read input from the keyboard. Hint: the class (maybe called KeyboardInputs) will have one field 

    private static final Scanner inScan = new Scanner(;
    Once you have that class working, you will be able to use it again and again. If you design it correctly you will not need to handle any Exceptions from the Scanner.

    If you know math, Project Euler has a lot of challenging problems. I also hear that Coding Bat has projects from very simple to hard.