write a java code

1. Write a program which: creates a new Array List adds 5 decimal numbers to it prints the list to the screen 2. In the same program, insert an element in the above ArrayList at index 2. The resulting Array List must be one element larger. Print the resulting list to the screen. 3. In the same program, replace the element in the ArrayList at index 2 by null. Print the resulting list to the screen. 4. In the same program, remove the element at the last index of the Array List. Print the resulting list to the screen. 5. In the same program, use a 'for' loop to print each element of the Array List to the screen. 6. Create a class named ArrayListManager. Into this class, code a method which prints to the screen every element of an Array List of strings placed at an odd index. Hint: use a modulus