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What is the output of this program?                int array[] = new int [5];                for (int i = 5; i > 0; i--)                              array[5 - i] = i;                Arrays.sort(array);                 for (int i = 0; i < 5; ++i)                               System.out.print(array[i]);

Question

What is the output of this program?                int array[] = new int [5];                for (int i = 5; i > 0; i--)                              array[5 - i] = i;                Arrays.sort(array);                 for (int i = 0; i < 5; ++i)                               System.out.print(array[i]);

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Solution

The output of this program is:

1 2 3 4 5

Here's the step by step explanation:

  1. An array of size 5 is created.
  2. A for loop is run from 5 to 1 (i.e., 5, 4, 3, 2, 1).
  3. In each iteration, the array is filled in reverse order. So, after this loop, the array looks like this: [5, 4, 3, 2, 1].
  4. The array is then sorted in ascending order using Arrays.sort() method. So, the array now looks like this: [1, 2, 3, 4, 5].
  5. Finally, a for loop is run to print the elements of the array. So, the output is: 1 2 3 4 5.

This problem has been solved

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