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public class Solution {
    public static void main(String[] args) {
        Cat cat;
        Dog dog;
        for(int i=0; i<50000;i++) {
            cat = new Cat();
            dog = new Dog();
        }
    }
}

class Cat {
    @Override
    protected void finalize() throws Throwable {
        super.finalize();
        System.out.println("A Cat was destroyed");
    }
}

class Dog {
    @Override
    protected void finalize() throws Throwable {
        super.finalize();
        System.out.println("A Dog was destroyed");
    }
}