62 lines
1.6 KiB
Java
62 lines
1.6 KiB
Java
// generics/ApplyTest.java
|
|
// (c)2017 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://OnJava8.com for more book information.
|
|
import java.util.*;
|
|
import java.util.function.*;
|
|
import onjava.*;
|
|
|
|
public class ApplyTest {
|
|
public static void main(String[] args) throws Exception {
|
|
List<Shape> shapes =
|
|
Suppliers.create(ArrayList::new, Shape::new, 3);
|
|
Apply.apply(shapes, Shape.class.getMethod("rotate"));
|
|
Apply.apply(shapes,
|
|
Shape.class.getMethod("resize", int.class), 7);
|
|
|
|
List<Square> squares =
|
|
Suppliers.create(ArrayList::new, Square::new, 3);
|
|
Apply.apply(squares, Shape.class.getMethod("rotate"));
|
|
Apply.apply(squares,
|
|
Shape.class.getMethod("resize", int.class), 7);
|
|
|
|
Apply.apply(new FilledList<>(Shape::new, 3),
|
|
Shape.class.getMethod("rotate"));
|
|
Apply.apply(new FilledList<>(Square::new, 3),
|
|
Shape.class.getMethod("rotate"));
|
|
|
|
SimpleQueue<Shape> shapeQ = Suppliers.fill(
|
|
new SimpleQueue<>(), SimpleQueue::add,
|
|
Shape::new, 3);
|
|
Suppliers.fill(shapeQ, SimpleQueue::add,
|
|
Square::new, 3);
|
|
Apply.apply(shapeQ, Shape.class.getMethod("rotate"));
|
|
}
|
|
}
|
|
/* Output:
|
|
Shape 0 rotate
|
|
Shape 1 rotate
|
|
Shape 2 rotate
|
|
Shape 0 resize 7
|
|
Shape 1 resize 7
|
|
Shape 2 resize 7
|
|
Square 3 rotate
|
|
Square 4 rotate
|
|
Square 5 rotate
|
|
Square 3 resize 7
|
|
Square 4 resize 7
|
|
Square 5 resize 7
|
|
Shape 6 rotate
|
|
Shape 7 rotate
|
|
Shape 8 rotate
|
|
Square 9 rotate
|
|
Square 10 rotate
|
|
Square 11 rotate
|
|
Shape 12 rotate
|
|
Shape 13 rotate
|
|
Shape 14 rotate
|
|
Square 15 rotate
|
|
Square 16 rotate
|
|
Square 17 rotate
|
|
*/
|