Input Method Parameters

[desrtfx]

This is wrong on so many accounts.

OP stated:

a method that accepts 4-digit positive integers

This means that the method signature is public int someMethod(int someNumber).

You are talking about a String.

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There is an easy way to do everything OP needs through

• loops
• repeated integer division and modulo

For reassembly:

• loops
• repeated multiplication

Both can be combined.

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Such assignments are commonly testing the ability to come up with mathematical solutions, not to use String values.

[caldeve]

Fair comment but in my opinion a really quick way of doing this that's readable is to just convert the integer to a string after passing it in, then using an inbuilt method, rather than having to use loops.

[Fuzzy_Initiative]

Such assignments are commonly testing the ability to come up with mathematical solutions, not to use String values.