Limiting the max size of a HashMap in Java

Question

I want to limit the maximum size of a HashMap to take metrics on a variety of hashing algorithms that I\'m implementing. I looked at the loadfactor in one of

Answer 1

You could create a new class like this to limit the size of a HashMap:

public class MaxSizeHashMap extends LinkedHashMap {
    private final int maxSize;

    public MaxSizeHashMap(int maxSize) {
        this.maxSize = maxSize;
    }

    @Override
    protected boolean removeEldestEntry(Map.Entry eldest) {
        return size() > maxSize;
    }
}