java8之方法引用

方法引用

public class MyMethodInterfer {
	
	@Test
	public void test1 () {
		Car car = Car.create(Car::new);
		
		List< Car > cars = Arrays.asList( car );
		
		//调用静态方法：Class::static_method，接受一个参数
		cars.forEach( Car::collide );
		
		//调用成员方法：Class::method，不接受参数
		cars.forEach( Car::repair );
		
		//实例方法的引用：instance::method，接受一个参数
		Car otherCar = Car.create(Car::new);
		cars.forEach(otherCar::follow);
		
	}

	
	private static class Car {
		public static Car create(final Supplier<Car> supplier) {
			return supplier.get();
		}
		
		public static void collide(final Car car) {
			System.out.println(car.toString() + " collide!");
		}
		
		 public void follow( final Car another) {
		        System.out.println( "Following the " + another.toString() );
		    }
		 
		    public void repair() {   
		        System.out.println( "Repaired " + this.toString());
		    }

	}
}