2. Write a program that reads in an integer and breaks it into a sequence of ind

Question

2. Write a program that reads in an integer and breaks it into a sequence of individual digits in reverse order. For example, the input 16384 is displayed as
4
8
3
6
1
You may assume that the input has no more than five digits and is not negative.

Declare a class DigitExtractor:

public class DigitExtractor
{
/**
Constructs a digit extractor that gets the digits
of an integer in reverse order.
@param anInteger the integer to break up into digits
*/
public DigitExtractor(int anInteger) { . . . }

/**
Returns the next digit to be extracted.
@return the next digit
*/
public int nextDigit() { . . . }
}
In your main class DigitPrinter, call System.out.println(myExtractor.nextDigit()) five times.

Explanation / Answer

1. publicclassDigitExtractor{
2. inttoBeBroken;
3. /**
4. Constructsadigitextractorthatgetsthedigitsinreverseorder.
5. @paramanInteger-theintegertobreakupintodigits
6. */
7. publicDigitExtractor(intanInteger){
8. toBeBroken=anInteger;
9. }
10. /**
11. Returnsthenextdigittobeextracted.
12. @returnthenextdigit
13. */
14. publicintnextDigit(){
15. inttemp=-1;
16. if(toBeBroken!=0)
17. {
18. temp=toBeBroken%10;
19. toBeBroken=toBeBroken/10;
20. }
21. else
22. {
23. System.out.println("Nomoredigitstoextract");
24. }
25. returntemp;
26. }
27. }

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