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Thread: Filling an array with user input and a method

  1. #1
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    Angry Filling an array with user input and a method

    i need to create a program that asks the user for an array and then
    asks the user to fill in the slots of the array but i have to do it
    in a method can any 1 help i can post the question if it will help


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    Default re: Filling an array with user input and a method

    What have you tried? Where are you stuck?
    If you don't understand my answer, don't ignore it, ask a question.

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    Default re: Filling an array with user input and a method

    Welcome to the forum! Please read this topic to learn how to post code in code or highlight tags and other useful info for new members.

    Please give your threads useful/meaningful titles. Title changed to be more useful. (Which messed up your link in the chat box.)

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    Default Re: Filling an array with user input and a method

    public class Ex6_02 
    {
     
        public static void main(String[] args) 
        {
            String ans = JOptionPane.showInputDialog("give me a length");
            int Lgth = Integer.parseInt(ans);
            int[] int1 = new int[Lgth];
            int [] arrint = createEmptyIntArray(int1);
            System.out.println(arrint);
            /*
            String [] arrstr = createEmptyStringArray();
     
     
            boolean [] arrboo = createEmptyBooleanArray();*/
            for (int i = 0; i < arrint.length; i++) {
                 System.out.println(int1[i]);
            }
            /*
            for (int i = 0; i < arrstr.length; i++) {
     
            }
     
            for (int i = 0; i < arrboo.length; i++) {
     
            }*/
     
        }
     
     
        /*    private static String[] createEmptyStringArray()
        {
     
     
     
        }
     
        private static boolean[] createEmptyBooleanArray()
        {
     
     
     
        }*/
     
        private static int[] createEmptyIntArray(int[] int1) 
        {
            String ans = JOptionPane.showInputDialog("give me a number");
            int Lgth = Integer.parseInt(ans);
            int[] arr2 = new int [int1.length];
     
            for (int i = 0; i < int1.length; i++)
            {
                if (int1.length == i)
                {
                arr2[i] = int1[i];
                }
     
            }
     
            return arr2;
     
     
     
     
        }

    thats what i go so farm but then i try some thing else it freaks out

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    Default Re: Filling an array with user input and a method

    it freaks out
    If there are error messages, copy the full text and paste it here. Plus the code that caused the error.
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: Filling an array with user input and a method

    ok yea i know that but what i need to do is make it so that it asks for a number for every open slot in the array and i cant think of how to do that

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    Default Re: Filling an array with user input and a method

    Use a for loop that goes through the array, when there is an open slot ask the user for a value to put in that slot, read the value and put it in the open slot.
    If you don't understand my answer, don't ignore it, ask a question.

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