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 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"));
}Copyright © 2021 Codeinu
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