Use Clock to get present time

Medium

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Javadate

Static methods now() of java.time should not be used with no parameter.

Using the Clock parameter makes the date testable.

Examples

Example 1:

Negative

Incorrect implementation that violates the practice.

package dev.best.practices;

import java.time.Instant;
import java.util.ArrayList;
import java.util.List;

public class Zoo {
    private final List<Animal> animals = new ArrayList<>();

    public List<Animal> getAnimals() {
        return animals;
    }

    public void registerAnimalBirth(String name, Species species) {
        final Instant birthday = Instant.now();
        final Animal baby = new Animal(name, species, birthday);
        this.animals.add(baby);
    }
}