JAVA

java int to int array

int number = 110101; 
String temp = Integer.toString(number);
int[] numbers = new int[temp.length()];
for (int i = 0; i < temp.length(); i++) {
    numbers[i] = temp.charAt(i) - '0';
}

int to integer array in java

int[] oldArray;

... // Here you would assign and fill oldArray

Integer[] newArray = new Integer[oldArray.length];
int i = 0;
for (int value : oldArray) {
    newArray[i++] = Integer.valueOf(value);
}