init

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;
+    }
+}