corani/functional.java

## functional.java
List<Integer> result = new ArrayList<Integer>();
for (Integer value : items) {
	if (value % 2 == 0) {
		result.add(value);
	}
}

## functional.py
result = filter(lambda x: x % 2 == 0, items)

## functional.sql
SELECT value FROM items WHERE value % 2 = 0
	List<Integer> result = new ArrayList<Integer>();
	for (Integer value : items) {
	if (value % 2 == 0) {
	result.add(value);
	}
	}