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Java 8 static methods in interfaces
An interface can also have static helper methods from Java 8 onwards.
public interface vehicle {
default void print() {
System.out.println("I am a vehicle!");
}
static void blowHorn() {
System.out.println("Blowing horn!!!");
}
}Example
public class Java8Tester {
public static void main(String args[]) {
Vehicle vehicle = new Car(); vehicle.print();
}
}
interface Vehicle {
default void print() {
System.out.println("I am a vehicle!");
}
static void blowHorn() {
System.out.println("Blowing horn!!!");
}
}
interface FourWheeler {
default void print() {
System.out.println("I am a four wheeler!");
}
}
class Car implements Vehicle, FourWheeler {
public void print() {
Vehicle.super.print();
FourWheeler.super.print();
Vehicle.blowHorn();
System.out.println("I am a car!");
}
}Output
I am a vehicle! I am a four wheeler! Blowing horn!!! I am a car!
Updated on: 06-Feb-2020
402 Views
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