Any idea about why the checker refuse this solution ?

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Hello, I don't know why the checker doesn't accept such a solution although it is correct, it is like if it expects a very precise solution! Do you have an idea about this? Thanks. anyway I'm going to do a classic solution

Implement the main(String[]) method, which needs to copy the contents of the firstArray and secondArray arrays into one resultArray array.
The firstArray array must be at the beginning of the new resultArray array, followed by the secondArray array.

Requirements:

The Solution class must have a public static int[] firstArray variable initialized with an array with 10 values.
The Solution class must have a public static int[] secondArray variable initialized with an array with 10 values.
The Solution class must have a public static int[] resultArray variable.
Implement the main(String[]) method in accordance with the task conditions.

package en.codegym.task.pro.task05.task0504; /* Combining arrays */ public class Solution { public static int[] firstArray = new int[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; public static int[] secondArray = new int[]{10, 11, 12, 13, 14, 15, 16, 17, 18, 19}; public static int[] resultArray; public static void main(String[] args) { //write your code here resultArray = new int[firstArray.length + secondArray.length]; for (int i = 0; i < resultArray.length; i++) { if (i < 10) resultArray[i] = firstArray[i]; else resultArray[i] = secondArray[i - 10]; System.out.print(resultArray[i] + ", "); } } }

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Coboliste

Level 46 , Casablanca, Morocco

10 May 2022, 10:15

It keeps refusing all the solutions !

for (int i = 0; i < resultArray.length; i++) {
            if (i < 10)
               resultArray[i] = firstArray[i];
            else
               resultArray[i] = secondArray[i - 10];
       }

for (int i = 0; i < resultArray.length; i++) {
            System.out.print(resultArray[i] + ", ");
       }

resultArray = new int[firstArray.length + secondArray.length];
        for (int i = 0; i < firstArray.length; i++)
            resultArray[i] = firstArray[i];

        for (int i = 0; i < secondArray.length; i++)
            resultArray[i + 10] = secondArray[i];

        for (int i = 0; i < resultArray.length; i++) {
            System.out.print(resultArray[i] + ", ");
        }

Coboliste

Level 46 , Casablanca, Morocco

10 May 2022, 10:33

The checker consider the third solution as the only correct one, but on condition of putting firstArray.length instead of 10. Life is strange sometimes.

Guadalupe Gagnon

Level 37 , Tampa, United States

10 May 2022, 14:05

The static arrays in the code are not what is used by the validation. The validation system uses arrays of varying lengths to test that your code does what the conditions/requirements state. As they don't state that that you should combine two arrays of 10 values into one then your code should not do that.

Coboliste

Level 46 , Casablanca, Morocco

10 May 2022, 14:47

Thanks, so if I replace 10 with firstArray.length, all the solutions will be validated. that makes sense for me.