Change array to integer

Code examples

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int[] array to Integer[] array

int[] primitiveArray = { 1, 2, 3, 4, 5 };
 
Integer[] boxedArray = Arrays.stream(primitiveArray) // IntStream
  .boxed()                // Stream<Integer>
  .toArray(Integer[]::new);

System.out.println(Arrays.toString(boxedArray));
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how to convert array to int

int i, k = 0;
for (i = 0; i < n; i++)
    k = 10 * k + a[i];

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