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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;
}
}
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