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Write an EBNF rule that describes the following while statement of Java. Then, write the recursive-descent subprogram in Java for the EBNF rule. Please summit your source code and a screen shot of the parsing of the following examples.

while (number<= 10) {
number=number-1; }
while (number > 10) {
number=number-1; }

Respuesta :

abdullahfarooqi

Answer:

import java.util.*;

public class Main

{

public static void main(String args[])

{

StringTokenizer st1 =

new StringTokenizer("do { sum = sum + 1 ; } while ( sum < 10 ) ;", " ");

int count=0;

while (st1.hasMoreTokens())

{

count++;

System.out.println("Token "+count+" "+st1.nextToken());

}    

System.out.println("Total Tokens :: "+count);

}

}

Explanation:

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