public static void main(String[] args) {
int[] arr = {1, 2, 3, 4, 5};
System.out.println("Adding: " + Arrays.toString(arr));
System.out.println("Sum: " + Arrays.sum(arr));
System.out.println();
System.out.println("Adding 2 to each number in this array: " + Arrays.toString(arr));
System.out.println("Result: " + Arrays.toString(Arrays.addN(arr, 2)));
System.out.println();
System.out.println("Reversing: " + Arrays.toString(arr));
System.out.println("Reversed: " + Arrays.toString(Arrays.reverse(arr)));
System.out.println();
System.out.println("Replacing all 4's with 8's in: " + Arrays.toString(arr));
Arrays.replaceAll(arr, 4, 8);
System.out.println("Result: " + Arrays.toString(arr));
System.out.println();
System.out.println("Sorting this: " + Arrays.toString(arr));
System.out.println("Sorted: " + Arrays.toString(Arrays.sort(arr)));
System.out.println();
int[] arr1 = {1, 2, 3, 4, 5};
int[] sub = {2, 3, 4};
System.out.println(
"Checking for sequence " + Arrays.toString(sub) + " in " + Arrays.toString(arr1));
if (Arrays.hasSubsequence(arr1, sub)) {
System.out.println("Found it!");
} else {
System.out.println("Didn't find it :(");
}
System.out.println();
int[] arr2 = {1, 1, 1, 1, 1};
System.out.println(
"Calculating the difference between elements in "
+ Arrays.toString(arr1)
+ " and "
+ Arrays.toString(arr2));
try {
System.out.println("Result: " + Arrays.toString(Arrays.absDif(arr1, arr2)));
} catch (IllegalArgumentException e) {
System.out.println("You suck! Use arrays of equal sizes!");
}
}
