Chapter 5, Problem 7PE

Explanation of Solution

Method for returning count of all words in a string

public static int count_words (String str)

{

    //declare variable state

    int state = OUT;

    //declare variable wc

    int wc = 0;

    //declare variable i

    int i = 0;

    //while loop executes

    while(i<str.length())

    {

        //if condition

if(str.charAt(i) == '' || str.charAt(i) == '\n' || str.charAt(i) == '\t')

         state = OUT;

        //elseif condition

        elseif (state==OUT)

        {

     ...