I tried to create it while using a while loop but it doesn't seem to even run although there aren't any compiler errors.
Here's the code I have so far:. You forgot to re-roll in your loop. Also, I'd use a do-while and Random. Something like. You do not have a main method. For simplicity's sake, the main method can be explained as a static method, not associated with any objects, that is the first thing to be fired when the Java program is run. It works similarly to any other method in your program, meaning that you can code as you'd like inside of it.
Asked 5 years, 10 months ago. Active 5 years, 10 months ago. Viewed 4k times. Chris Martin Zak Zak 33 2 2 silver badges 8 8 bronze badges. Active Oldest Votes.To create this article, volunteer authors worked to edit and improve it over time. This article has been viewed 10, times. Learn more The Random class in java can be very helpful for performing simulations and creating games. A basic way to use this class is to simulate a dice, which means getting a random number from a certain range depending on how many sides the dice contains.
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Tips and Warnings. Related Articles. Author Info Last Updated: March 11, Create a new project. Name it DiceSimulator. If it makes a main class automatically, call that class DiceTester. Create a new class and name it Dice. In this Dice file, import the random package: import java.
Create the main class and name it DiceTester. If DiceTester is your main class, go straight to DiceTester instead. At the top of the DiceTester class, import the scanner package: import java. Create a for loop that iterates once for every dice the user wishes to create. Within this loop, you construct each Dice object by using the for loop variable x and passing the variable howManySides. Call the roll method from Dice and display it in the loop to get all the results.
Run the program! Include your email address to get a message when this question is answered. Try to compile and run the program as you put new code in to find any errors in your program!
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Related wikiHows. Co-authors: 5. Updated: March 11, Categories: Java. Thanks to all authors for creating a page that has been read 10, times.Stephan van Hulst wrote: First of all, start by making your program more clear by eliminating all the 'cases' you use. Stephan van Hulst wrote: I apologize, I didn't notice you already had a variable with that name.
I meant a new variable, which you have interpreted correctly. Anyway, looking at your program, I don't see why it would keep asking for input. You should have an entirely different problem on your hand, namely that you're stuck in a permanent loop. Have a look at the exit condition of your nested for loop. By the way, you can also eliminate a lot in your display code.
If I may give you a big hint, I think you are using the nested loop for the wrong purpose. Tell me, how many dice do you have? Stephan van Hulst wrote: It doesn't say in the requirements you need a nested loop.
Rolling Dice(Count doubles) while loop to for loop
Life is full of choices. Sometimes you make the good ones, and sometimes you have to kill all the witnesses. Forum: Beginning Java. Dice probability program, using nested loops. Isaac Davis. One of my assignments requires that I make a program that will calculate dice probability using nested loops no idea why nested loops would be used here. I've written it out, and I get no compiling errors, but when I actually run the program for some reason it won't stop asking for user input, any advice as to why it does this would be helpful.
I think the problems inside the for loop because without it there is no repetitive issue. I think the for loop isn't taking the value of rolls and is actually asking for it, but I need that value in there. Scanner; import java. Stephan van Hulst. Saloon Keeper. First of all, start by making your program more clear by eliminating all the 'cases' you use. I can't use rolls to store my values, rolls needs to be a number put in by the user because it determines how many times a dice would be rolled.
The only real use I have for it is to determine when the main for loop ends. Then I need compare each new random toto determine how many times that number has been rolled. Anyways this is what I've worked out according to what I think you mean. Still get the same issue though.Nick Cantara wrote: Not sure about this last one, but the program should have a class called Die that stores the data for each die.
This is what I have so far and I'm lost on it There are only two hard things in computer science: cache invalidation, naming things, and off-by-one errors. Forum: Beginning Java. Roll the Dice program. Nick Cantara. So I'm writing an application that rolls two six-sided dice, displaying the results after each roll and asking the user if they would like to roll again.
It is supposed to show Roll 1, Roll 2, Roll 3, etc, but I am having problems with it showing that based on my counter variable. I have 5 classes created. Below is what I have for code so far.
This is what I have so far and I'm lost on it. Jeff Verdegan. I like Hi, and welcome to the Ranch! Wha specific problem are you having? Also, that's a lot of code, and the vast majority of it is not related to your problem. It will be easier for people to help you and easier for you to help yourself!
Right, well I'm assuming your Die class is supposed to model a single die, so why would you have a ' sum ' field? Also, it would appear that you're using the ' d ' field to hold the number of sides, so why not call it ' numberOfSides '?
Giving things meaningful names is a very important part of good programming. If it's the random number stuff you're stuck on, have a look at the Random class java. You are writing too much code at once. Before you ever write a single line of code, you should analyze the problem and come up with all the individual things you need it to do.
For example, my first pass at this assignment would be: 1 Generate an integer in the range 2 compute the sum of two numbers 3 Display a result 4 keep track of the number of rolls 5 ask the user something 6 Get input from a user 7 validate input 8 loop around and do it all again if needed I'd make sure I could do each of the above steps by them selves before trying to combine them. I'd make sure one worked before I considered starting the next.
So I left, I came home, and I ate some pie. And then I read this tiny ad:. Boost this thread! Beginner Yahtzee Progam. Variables assigned to objects. Need Help Understand this.The instructions are to "write a program to simulate tossing a pair of sided dice and determine the percentage of times each possible combination of the dice is rolled Side note, I cannot use arrays. Here's the original file I was given to work with: Java Code: import java.
Random; import java. When I run it, I get something like this just a part of my output : Please enter the number of sides on a die: 6 Please enter the number of rolls: 2 Sum of dice Probability I'm finishing up this assignment, and I'm stuck.
These are the last 2 instructions:. Roll each of the Dice by invoking the roll method on each Dice in the array. Keep track of the totals sum of all the dice in the array.
Be sure to roll the dice array at least times. How to finish it up? Here's my code so far: package homework3; import java. You're given a number between 0 and 1 that corresponds to the probability of an event occurring. Someone tries to perform the event, but the event only has the given probability of occurring. Run the probability, and then if it's true, run the event.
Otherwise don't run the event. All I know how to do is generate random numbers kind ofbut if you have 0. Write a method called statistic that simulates the rolling of two dice times. The program should have no input, and should use pseudo random numbers to simulate the rolls one random number per die. Store the sum resulting from each roll of two dice, determine the number of times each 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 was rolled.It ended 25-24 NZ win.
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Using Loops For Dice Probability
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