check how many of a word is in a string
function countOccurences(str,word)
{
// split the string by spaces in a
String a[] = str.split(",");
// search for pattern in a
int count = 0;
for (int i = 0; i < a.length; i++)
{
// if match found increase count
if (word.equals(a[i]))
count++;
}
return count;
}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);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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