ImperativeVsDeclarative.java

int imperative() {
    int sum = 0;
    int limit = 10;
    for (int i = 0; i < 100; i++) {
        if (i % 3 == 0 && i % 2 == 0) {
            if (limit-- == 0) break;
            sum += i * i;
        }
    }
    return sum;
}

int declarative() {
    return IntStream.range(0, 100)
        .filter(i -> i % 3 == 0)
        .filter(i -> i % 2 == 0)
        .limit(10)
        .map(i -> i * i)
        .sum();
}