Count number of words in a String
public static void main (String[] args) {
System.out.println("Simple Java Word Count Program");
String str1 = "Today is Holdiay Day";
String[] wordArray = str1.trim().split("\\s+");
int wordCount = wordArray.length;
System.out.println("Word count is = " + wordCount);
}Count how many times a word can be made
/* Java program to count no of words
from given input string. */
public class GFG {
static final int OUT = 0;
static final int IN = 1;
// returns number of words in str
static int countWords(String str)
{
int state = OUT;
int wc = 0; // word count
int i = 0;
// Scan all characters one by one
while (i < str.length())
{
// If next character is a separator, set the
// state as OUT
if (str.charAt(i) == ' ' || str.charAt(i) == '\n'
|| str.charAt(i) == '\t')
state = OUT;
// If next character is not a word separator
// and state is OUT, then set the state as IN
// and increment word count
else if (state == OUT)
{
state = IN;
++wc;
}
// Move to next character
++i;
}
return wc;
}
// Driver program to test above functions
public static void main(String args[])
{
String str = "One two three\n four\tfive ";
System.out.println("No of words : " + countWords(str));
}
}
// This code is contributed by Sumit GhoshCopyright © 2021 Codeinu
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