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-rw-r--r--debugging/2XIGPFWWQh6rdNJQSyU34zisbin0 -> 2610 bytes
-rw-r--r--debugging/Book.java71
-rw-r--r--debugging/Debugging.java54
-rw-r--r--debugging/InvertedIndex.java52
-rw-r--r--debugging/Media.java41
-rw-r--r--debugging/Testing.java40
6 files changed, 258 insertions, 0 deletions
diff --git a/debugging/2XIGPFWWQh6rdNJQSyU34zis b/debugging/2XIGPFWWQh6rdNJQSyU34zis
new file mode 100644
index 0000000..1d097ce
--- /dev/null
+++ b/debugging/2XIGPFWWQh6rdNJQSyU34zis
Binary files differ
diff --git a/debugging/Book.java b/debugging/Book.java
new file mode 100644
index 0000000..05ef36d
--- /dev/null
+++ b/debugging/Book.java
@@ -0,0 +1,71 @@
+import java.util.*;
+
+public class Book implements Media {
+
+ private String title;
+ private String author;
+ private List<String> authors;
+ private List<Integer> ratings;
+
+ public Book(String title, String author) {
+ this.title = title;
+ this.author = author;
+ }
+
+ public Book(String title, List<String> authors) {
+ this.title = title;
+ this.authors = authors;
+ }
+
+ public String getTitle() {
+ return this.title;
+ }
+
+ public List<String> getArtists() {
+ List<String> artists = new ArrayList<>();
+ if (this.author != null) {
+ artists.add(this.author);
+ }
+
+ if (this.authors != null) {
+ for (String author : authors) {
+ artists.add(author);
+ }
+ }
+ return artists;
+ }
+
+ public void addRating(int score) {
+ if (this.ratings == null) {
+ ratings = new ArrayList<>();
+ }
+ this.ratings.add(score);
+ }
+
+ public int getNumRatings() {
+
+ if (this.ratings == null) {
+ return 0;
+ }
+
+ return this.ratings.size();
+ }
+
+ public double getAverageRating() {
+ if (this.ratings == null) {
+ return 0;
+ }
+
+ int sum = 0;
+ for (int rating : ratings) {
+ sum += rating;
+ }
+
+ return (double)sum / this.ratings.size();
+ }
+
+ public String toString() {
+ return this.title + " by " + this.getArtists() + ": " + this.getAverageRating() +
+ (this.ratings.size()) + " ratings";
+ }
+}
diff --git a/debugging/Debugging.java b/debugging/Debugging.java
new file mode 100644
index 0000000..a9e301f
--- /dev/null
+++ b/debugging/Debugging.java
@@ -0,0 +1,54 @@
+import java.util.*;
+
+public class Debugging {
+ public static void main(String[] args) {
+ Map<String, Set<Integer>> testMap = new TreeMap<>();
+ Set<Integer> c121 = arrToSet(new int[]{42, 17, 42, 42});
+ Set<Integer> c122 = arrToSet(new int[]{10, 12, 14});
+ Set<Integer> c123 = arrToSet(new int[]{100, 99, 98, -97});
+ testMap.put("cse121", c121);
+ testMap.put("cse122", c122);
+ testMap.put("cse123", c123);
+
+ Map<String, Set<Integer>> deepCopyMap = deepCopy(testMap);
+
+ if (deepCopyMap.isEmpty()) {
+ System.out.println("{}");
+ } else {
+ String line = "";
+ for (String key : deepCopyMap.keySet()) {
+ line += key + "=" + deepCopyMap.get(key).toString() + ", ";
+ }
+ System.out.println("{" + line.substring(0, line.length() - 2) + "}");
+ }
+ }
+
+ public static Set<Integer> arrToSet(int[] arr) {
+ Set<Integer> s = new TreeSet<>();
+ for (int num : arr) {
+ s.add(num);
+ }
+ return s;
+ }
+
+ // Produces and returns a "deep copy" of the parameter map, which has the same
+ // structure and values as the parameter, but with all internal data structures
+ // and values copied. After calling this method, modifying the parameter or
+ // return value should NOT affect the other.
+ //
+ // Parameters:
+ // inputMap - the map to duplicate
+ //
+ // Returns:
+ // A deep copy of the parameter map.
+ public static Map<String, Set<Integer>> deepCopy(Map<String, Set<Integer>> inputMap) {
+ Map<String, Set<Integer>> deepCopy = new TreeMap<>();
+
+ for (String key : inputMap.keySet()) {
+ Set<Integer> inputSet = new TreeSet<>(inputMap.get(key));
+ // Set<Integer> inputSet = inputMap.get(key);
+ deepCopy.put(key, inputSet);
+ }
+ return deepCopy;
+ }
+}
diff --git a/debugging/InvertedIndex.java b/debugging/InvertedIndex.java
new file mode 100644
index 0000000..65284f7
--- /dev/null
+++ b/debugging/InvertedIndex.java
@@ -0,0 +1,52 @@
+import java.util.*;
+
+public class InvertedIndex {
+ public static void main(String[] args) {
+ List<String> docs = new ArrayList<>();
+ docs.add("Raiders of the Lost Ark");
+ docs.add("The Temple of Doom");
+ docs.add("The Last Crusade");
+
+ Map<String, Set<String>> result = createIndex(docs);
+ System.out.println(docs);
+ System.out.println();
+ System.out.println(result);
+ }
+
+ // TODO: Write and document your createIndex method here
+
+ public static Map<String, Set<String>> createIndex(List<String> docs) {
+ Map<String, Set<String>> index = new TreeMap<>();
+ Set<String> uniqueWords = getUniqueWords(docs);
+
+ for (String uniqueWord : uniqueWords) {
+ index.put(uniqueWord.toLowerCase(), new HashSet<String>());
+ }
+
+ for (String word : index.keySet()) {
+ for (int i = 0; i < docs.size(); i++) {
+ Scanner wordScanner = new Scanner(docs.get(i));
+ while (wordScanner.hasNext()) {
+ if (wordScanner.next().equalsIgnoreCase(word)) {
+ index.get(word).add(docs.get(i));
+ }
+ }
+ }
+ }
+ return index;
+ }
+
+ public static Set<String> getUniqueWords(List<String> docs) {
+ Set<String> uniqueWords = new HashSet<>();
+ for (String title : docs) {
+ Scanner titleScanner = new Scanner(title);
+ while (titleScanner.hasNext()) {
+ uniqueWords.add(titleScanner.next());
+ }
+ titleScanner.close();
+ }
+ return uniqueWords;
+ }
+
+
+}
diff --git a/debugging/Media.java b/debugging/Media.java
new file mode 100644
index 0000000..ee9614e
--- /dev/null
+++ b/debugging/Media.java
@@ -0,0 +1,41 @@
+import java.util.*;
+
+/**
+ * An interface to represent various types of media (movies, books, tv shows, songs, etc.).
+ */
+public interface Media {
+ /**
+ * Gets the title of this media.
+ *
+ * @return The title of this media.
+ */
+ public String getTitle();
+
+ /**
+ * Gets all artists associated with this media.
+ *
+ * @return A list of artists for this media.
+ */
+ public List<String> getArtists();
+
+ /**
+ * Adds a rating to this media.
+ *
+ * @param score The score for the new rating. Should be non-negative.
+ */
+ public void addRating(int score);
+
+ /**
+ * Gets the number of times this media has been rated.
+ *
+ * @return The number of ratings for this media.
+ */
+ public int getNumRatings();
+
+ /**
+ * Gets the average (mean) of all ratings for this media.
+ *
+ * @return The average (mean) of all ratings for this media. If no ratings exist, returns 0.
+ */
+ public double getAverageRating();
+}
diff --git a/debugging/Testing.java b/debugging/Testing.java
new file mode 100644
index 0000000..a50fe62
--- /dev/null
+++ b/debugging/Testing.java
@@ -0,0 +1,40 @@
+import org.junit.jupiter.api.*;
+import static org.junit.jupiter.api.Assertions.*;
+import java.util.*;
+
+public class Testing {
+
+ @Test
+ @DisplayName("EXAMPLE TEST CASE - createIndex Example")
+ public void firstCaseTest() {
+ List<String> documents = new ArrayList<>(List.of("The Bee Movie is great!",
+ "I love the Bee Movie",
+ "Y'all seen Dune 2?"));
+ Map<String, Set<String>> index = InvertedIndex.createIndex(documents);
+
+ // Make sure that tokens are correctly converted to lower case
+ assertTrue(index.containsKey("bee"));
+ assertFalse(index.containsKey("Bee"));
+
+ // Make sure that punctuation is ignored
+ assertTrue(index.containsKey("great!"));
+ assertFalse(index.containsKey("great"));
+
+ // Check one of the sets
+ assertEquals(Set.of("The Bee Movie is great!",
+ "I love the Bee Movie"),
+ index.get("movie"));
+ }
+
+ @Test
+ @DisplayName("EXAMPLE TEST CASE - Book 2 String constructor + getters")
+ public void secondCaseTest() {
+ Book b = new Book("Title", "Author");
+
+ // Test all getters after constructing with 2 Strings
+ assertEquals("Title", b.getTitle());
+ assertEquals(List.of("Author"), b.getArtists());
+ assertEquals(0, b.getNumRatings());
+ assertEquals(0.0, b.getAverageRating());
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2026-10-05 12:33:37 +0000