In simple words java 8 allows us to write code more precisely and concisely, which is better than writing verbose code in the java versions prior to java 8.
Example: Let’s sort a collection of cars based on their speed.
Java versions prior to java 8 :
Collections.sort(fleet, new Comparator() {
@Override
public int compare (Car c1, Car c2) {
return c1.getSpeed().compareTo(c2.getSpeed());
}
}
Instead of writing a verbose code like above, using java 8 we can write the same code as:
Java 8 :
fleet.sort(Comparator.comparing(Car::getSpeed));
The above code is more concise and could be read as “sort fleet comparing Car’s speed”.
So why write a boilerplate code which is not related to the problem statement. Instead you can write concise code which is related to the problem statement and has SQL like readability.
