Breaking News: Grepper is joining You.com. Read the official announcement!

java hashmap deep copy

Lee Shao Wee answered on October 26, 2022 Popularity 8/10 Helpfulness 1/10

answer java hashmap deep copy

java hashmap deep copy

Comment

-1

public static HashMap<Integer, List<MySpecialClass>> copy(
    HashMap<Integer, List<MySpecialClass>> original)
{
    HashMap<Integer, List<MySpecialClass>> copy = new HashMap<Integer, List<MySpecialClass>>();
    for (Map.Entry<Integer, List<MySpecialClass>> entry : original.entrySet())
    {
        copy.put(entry.getKey(),
           // Or whatever List implementation you'd like here.
           new ArrayList<MySpecialClass>(entry.getValue()));
    }
    return copy;
}

Popularity 8/10 Helpfulness 1/10 Language java

Source: stackoverflow.com

Tags: deep-copy hashmap java

Link to this answer
Share Copy Link