how to append to an array in java
public static int[] addX(int n, int arr[], int x)
{
int i;
// create a new array of size n+1
int newarr[] = new int[n + 1];
// insert the elements from
// the old array into the new array
// insert all elements till n
// then insert x at n+1
for (i = 0; i < n; i++)
newarr[i] = arr[i];
newarr[n] = x;
return newarr;
}
List<type> arr;
arr.add("value");
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