The code merges two dictionaries (HashMaps) by adding the values of common keys and adding new keys from the second dictionary to the first. The merged dictionary is then printed.

Merge Dictionaries.md

Merge Dictionaries

Preview:

import java.util.HashMap;

public class MergeDictionaries {
    public static HashMap<String, Integer> mergeDictionaries(HashMap<String, Integer> dict1, HashMap<String, Integer> dict2) {
        HashMap<String, Integer> result = new HashMap<>(dict1);

        for (String key : dict2.keySet()) {
            if (result.containsKey(key)) {
                result.put(key, result.get(key) + dict2.get(key));
            } else {
                result.put(key, dict2.get(key));
            }
        }

        return result;
    }

    public static void main(String[] args) {
        HashMap<String, Integer> dict1 = new HashMap<>();
        dict1.put("a", 1);
        dict1.put("b", 2);

        HashMap<String, Integer> dict2 = new HashMap<>();
        dict2.put("b", 3);
        dict2.put("c", 4);

        HashMap<String, Integer> mergedDict = mergeDictionaries(dict1, dict2);

        System.out.println(mergedDict);
    }
}

/*Example:

dict1 = {'a': 1, 'b': 2, 'c': 3}
dict2 = {'b': 3, 'c': 4, 'd': 5}
merge_dicts(dict1, dict2)
Output:

{'a': 1, 'b': 5, 'c': 7, 'd': 5}*/

Associated Context
Type	Code Snippet ( .java )
Associated Tags	MergeDictionaries class HashMap data structure Dictionary merging Key-value pairs ContainsKey method Main method Data structures Map manipulation Java util library Framework: Java java-stream concurrentmodification hashmap linkedhashmap Java HashMap MergeDictionaries SDK Framework Data structure HashMap operations Code snippet
📝 Custom Description
💡 Smart Description	The code snippet merges two HashMap objects into a single Map. It iterates through each key and adds them to the new HashMap object, then compares those dictionaries with their corresponding values in that HashMap's keys by adding it if they are not already present The code merges two dictionaries (HashMaps) by adding the values of common keys and adding new keys from the second dictionary to the first. The merged dictionary is then printed.
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