Create uniquewords.java

Java Programs/uniquewords.java

@@ -0,0 +1,29 @@
+import java.io.*;
+//import java.util.Arrays;
+import java.util.HashSet;
+
+//Finds unique words in a text file using Hashset
+public class UniqueWords {
+    public static void main(String[] args) throws Exception {
+        String line;
+        FileReader file = new FileReader("src/main/resources/file.txt");
+        BufferedReader br = new BufferedReader(file);
+        HashSet<String> uniqueWords = new HashSet<>();
+        while ((line = br.readLine()) != null) {
+            //array to store the words in the text file
+            String[] wordsArray = line.toLowerCase().split("\\W");
+            //uniqueWords.addAll(Arrays.asList(wordsArray));
+            for(String word : wordsArray)
+            {
+                //adding words in the array to Hashset to avoid duplicates
+                uniqueWords.add(word);
+            }
+        }
+        br.close();
+
+    //printing each word in te Hashset uniqueWords
+        for (String s : uniqueWords)
+            System.out.println(s);
+    }
+
+}