Exercise $4$:$($Write the code in java language and use netbeans program$)$

Write a java program that asks the user to insert a whole number. Your program should then replace each digit, from right to left, with its equivalent number of asterisks $"*".$ Each digit is represented on a new line as the below sample runs:

Sample runs:

$[$ Enter a number $4569],[*******************],[************],[**********],[********]$