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 python
import string
# sentence = ""
sentence = str(input("Enter here: "))
# Remove all punctuations
sentence = sentence.translate(str.maketrans('', '', string.punctuation))
# Remove all numbers"
sentence = ''.join([Word for Word in sentence if not Word.isdigit()])
count = 0;
for index in range(len(sentence)-1) :
if sentence[index+1].isspace() and not sentence[index].isspace():
count += 1
print(count)count word in string no matter the delimiter java
public static void main(String[] args)
{
//Scanner object instantiation
Scanner dude = new Scanner(System.in);
//variable declaration
String string1 = "";
int count = 0;
boolean isWord = false;
//user prompt and input
System.out.println("Enter in your string");
string1 = dude.nextLine();
int endOfLine = string1.length()-1;
char ch [] = string1.toCharArray();
for (int i = 0; i < string1.length(); i++)
{
if(Character.isLetter(ch[i]) && i != endOfLine)
{//if character is letter and not end of line
isWord = true; //it is part of a word
}
if (!Character.isLetter(ch[i]) && isWord)
{ //if character is not a letter, and previous
//character is a letter i.e. non-letter is
//preceded by character
count++; //add to word count
isWord = false; //get ready to detect new word
}
if (Character.isLetter(ch[i]) && i == endOfLine)
{ //if character is letter
//and at end of line
count++; //add to word count
isWord = false;
}
}
System.out.println("There are " +count+ " words");
}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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