What I currently have

README.md

@@ -37,6 +37,7 @@ This is a large, difficult project. Start early, and get help when you need it.
     code .
     ```
     If the above command does not work, you can open VS Code manually and select the ramblebot folder to open.
+Make sure you modify the read me and push the change on your own fork!
 1. Open `RambleApp.java`. Click anywhere in the text of the file
 1. Scroll to the bottom to find the `main` method. There should be a small grey "run" button above it. Click "Run".
 ![Run Button in VS Code](images/run_button.png)

src/LowercaseSentenceTokenizer.java

@@ -1,3 +1,4 @@
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Scanner;
 
@@ -30,7 +31,30 @@ public class LowercaseSentenceTokenizer implements Tokenizer {
    */
   public List<String> tokenize(Scanner scanner) {
     // TODO: Implement this function to convert the scanner's input to a list of words and periods
-    return null;
+    List<String> tokens = new ArrayList<>();
+    // reads whole scanner
+    while(scanner.hasNextLine()) {
+      // stores the line
+      String line = scanner.nextLine();
+      // makes an array from the line using spaces gets rid of extra spaces with +
+      // source for \\s vs \\s+ : https://stackoverflow.com/a/15625711
+      String[] list = line.split("\\s+");
+      // adds items in array to the list of tokens
+      for(int i = 0; i < list.length; i++) {
+        String word = list[i];
+        //only way I know how to solve the last two test cases
+        char last = word.charAt(word.length()-1);
+        if(last != '.'){
+          tokens.add(word.toLowerCase());
+        }
+        else{
+          String newString = word.substring(0, word.length()-1);
+          tokens.add(newString);
+          tokens.add(".");
+        }
+      }
+    }
+    return tokens;
   }
 }
 

src/LowercaseSentenceTokenizerTest.java

@@ -19,7 +19,14 @@ void testTokenizeWithNoCapitalizationOrPeriod() {
     /*
      * Write your test here!
      */
-
+    @Test
+    void testTokenizeWithMultipleSpaces() {
+        LowercaseSentenceTokenizer tokenizer = new LowercaseSentenceTokenizer();
+        Scanner scanner = new Scanner("hello     hi hi hi    hello hello");
+        List<String> tokens = tokenizer.tokenize(scanner);
+
+        assertEquals(List.of("hello", "hi", "hi", "hi", "hello", "hello"), tokens);
+    }
 
     // Wave 3
     @Test