![subject](/tpl/images/cats/informatica.png)
Computers and Technology, 18.11.2019 06:31 alex6651
Phone numbers and pin codes can be easier to remember when you find words * that spell out the number on a standard phone pad. for example, instead of * remembering the combination 5282, you can just think of java. * this program contains a recursive method called enumeratewords that given a * number, yields all possible spellings.'
need to fill in the blanks
import java. util. scanner;
/**
converts a numeric pin to an equivalent word using the digit to
letter mapping on a standard telephone keypad.
*/
public class pinwordenumerator
{
public static void main(string[] args)
{
scanner scan = new scanner(system. in);
system. out. print("enter a pin number-> ");
string num = scan. nextline();
system. out. println();
system. out. printf("the keypad encodings for %s are: %n",num);
enumeratewords(num);
}
/**
a wrapper for a recursive method that enumerates all the
phone keypad encodings for a number.
@param n a string representing the number
*/
public static void enumeratewords(string n)
{
// implement a recursive method that generates
// all possible phone keypad encodings for a
// number. implement additional auxiliary methods
// if necessary.
}
}
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