#55 Uniqueness of Elements in HashSet

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OTP Bank

Themes:

JavaCollections & GenericsCode Review

What will be printed to the screen?

public class Main {
    public static void main(String[] args) {
        Set<Object> set = new HashSet<>();

        set.add("str-1");
        set.add("str-2");
        set.add("str-2");
        set.add(new Object());
        set.add(new Object());

        System.out.println(set.size());
    }
}

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