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POOut of bounds exception Java
 

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  1. POOut of bounds exception Java
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    <p>This code works but it keeps giving me the array out of bounds exception.Even when I change the array size to 6 and leave 2 empty slots at the end it throws the exception. Could someone please identify the problem? </p> <pre><code> int [] arrayCMYK = new int [4]; getCMYK(arrayCMYK); static int getCMYK (int arrayCMYK[]) { Scanner input = new Scanner(System.in); //C System.out.println("\n\nPlease Enter the 'C' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[0] = input.nextInt(); while(arrayCMYK [0] &gt; 100 || arrayCMYK [0] &lt; 0 ) { System.out.println("\n\nError\nPlease Enter the 'C' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[0] = input.nextInt(); } //M System.out.println("\n\nPlease Enter the 'M' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[1] = input.nextInt(); while(arrayCMYK [1] &gt; 100 || arrayCMYK [1] &lt; 0 ) { System.out.println("\n\nError\nPlease Enter the 'M' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[1] = input.nextInt(); } //Y System.out.println("\n\nPlease Enter the 'Y' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[2] = input.nextInt(); while(arrayCMYK [2] &gt; 100 || arrayCMYK [2] &lt; 0 ) { System.out.println("\n\nError\nPlease Enter the 'Y' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[2] = input.nextInt(); } // K System.out.println("\n\nPlease Enter the 'K' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[3] = input.nextInt(); while(arrayCMYK [3] &gt; 100 || arrayCMYK [3] &lt; 0 ) { System.out.println("\n\nError\nPlease Enter the 'K' value of the CMYK number."); System.out.println("Press Enter after the number has been entered."); arrayCMYK[3] = input.nextInt(); } return arrayCMYK[4]; </code></pre>
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    1. USuser1861156
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      1. VTDownMod
    1. COArrays are zero indexed. Calling arrayCMK[4] is actually calling the fifth element
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    2. COApart from the problem you have, that is already solved now, I would suggest you to use `do-while` loop instead of `while` loop, since you want to run the loop at least once. This will avoid the code duplication you are having currently to some extent.
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      1. USRohit Jain
 

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