Write a program that reads a five digit integer number from the keyboard, and then constructs

Question

the largest possible integer number with the digits of the entered number. Your program should
have only one class , which implements the standard method.You are not allowed to use class String for manipulating the numbers and you also not allowed to use loops or arrays.
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Here is an example of what it should print:
Enter a five digits integer number: 89376
The digits in 89376 are:8,9,3,7,6
The largest number with this digits is : 98763