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Thread: Replacing the previous random number

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    Default Replacing the previous random number

    import java.util.Scanner;
    	public class test11{
    	public static void main( String[] args ) {
    		int[] RandomValue = new int[100];//creating 100 random numbers
    			for ( int r=0; r<RandomValue.length; r++){
    				RandomValue[r] = (int)(Math.random()*9 + 1 );}//the range of random number is from1-100
    		int n=0;
    	System.out.println(RandomValue[n]
    						+" > "+RandomValue[n+1]+" > "+RandomValue[n+2]);
    					}
    					}
    Hello.
    Basically I want RandomValue[n+1] to replace n when I press enter and so on.
    for example:
    1 > 4 > 3
    (press enter)
    4 > 3 > 6
    (press enter)
    (looping...)
    (6 is the new random value(RandomValue[n+3]) and 4(RandomValue[n+1]) replaced 1(RandomValue[n]) and 3(RandomValue[n+2]) replaced 4(RandomValue[n+1])
    I've tried using for loop and while loop but the result was not I expected
    Could someone please help?Thanks.


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    Default Re: Replacing the previous random number

    I want RandomValue[n+1] to replace n when I press enter
    Are you asking how to assign a value to the variable: n?
    n = RandomValue[n+1]; // replace n's value with contents of the array at n+1

    How does the program know when you have pressed "Enter"?
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: Replacing the previous random number

    'n' as a random number and 'n' as an index value are the same variable? That doesn't make sense, or would seem to be a source of unpredictable behavior.

    The array RandomValue[] should begin with a lowercase letter, randomValue[].

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