Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.HashMap;
import java.util.Map;

public class Main {
    public static void main(String[] args) {

        String sentence = "is this a sentence this is a test";
        String[] myStringArray = sentence.split("\\s"); // Split the sentence by
                                                        // space.

        Map<String, Integer> wordOccurrences = new HashMap<String, Integer>(myStringArray.length);

        for (String word : myStringArray) {
            if (wordOccurrences.containsKey(word)) {
                wordOccurrences.put(word, wordOccurrences.get(word) + 1);
            } else {
                wordOccurrences.put(word, 1);
            }
        }
        for (String word : wordOccurrences.keySet()) {
            if (wordOccurrences.get(word) > 1) {
                System.out.println("1b. - Tokens that occurs more than once: " + word + "\n");
            }
        }
    }
}