java how to put a string sentence in a map
Map < String, Integer > map = new HashMap < > ();
Scanner sc = new Scanner(System.in); // used to read user input
System.out.println("Enter a string:");
String sentence = sc.nextLine();
String[] tokens = sentence.split(" "); // split based on space
for (String token: tokens) {
String word = token.toLowerCase(); // case insensitive
if (map.containsKey(word)) {
int count = map.get(word); // get word count
map.put(word, count + 1); // override word count
} else {
map.put(word, 1); // initial word count to 1
}
}
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