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);
}how to count number of words in a string
String name = "Carmen is a fantastic play"; //arbitrary sentence
int numWords = (name.split("\\s+")).length; //split string based on whitespace
//split returns array - find legth of array
System.out.println(numWords);how to count words in string
String str = "I am happy and why not
and why are you not happy and you should be";
String [] arr = str.split(" ");
Map<String, Integer> map = new HashMap<>();
for (int i=0 ; i < arr.length ; i++){
if (!map.containsKey(arr[i])){
map.put(arr[i],1);
} else{
map.put(arr[i],map.get(arr[i])+1);
}
}
for(Map.Entry<String, Integer> each : map.entrySet()){
System.out.println(each.getKey()+" occures " + each.getValue() + " times");
}count words in string
// Count words (text separated by whitespace) in a piece of text
use std::collections::HashMap;
fn word_count(text: &str) -> HashMap<&str, i32> {
let mut map = HashMap::new();
for word in text.split_whitespace() {
*map.entry(word).or_insert(0) += 1;
}
map
}
fn main() {
println!("Count of words = {:?} ",word_count("the quick brown fox jumped over the lazy dog"));
}program code for counting the similarwrod in the sentences
public static int count(String word) {
if (word == null || word.isEmpty()) {
return 0;
}
int wordCount = 0;
boolean isWord = false;
int endOfLine = word.length() - 1;
char[] characters = word.toCharArray();
for (int i = 0; i < characters.length; i++) {
// if the char is a letter, word = true.
if (Character.isLetter(characters[i]) && i != endOfLine) {
isWord = true;
// if char isn't a letter and there have been letters before,
// counter goes up.
} else if (!Character.isLetter(characters[i]) && isWord) {
wordCount++;
isWord = false;
// last word of String; if it doesn't end with a non letter, it
// wouldn't count without this.
} else if (Character.isLetter(characters[i]) && i == endOfLine) {
wordCount++;
}
}
return wordCount;
}Copyright © 2021 Codeinu
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