OnJava8-Examples/generics/ApplyTest.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// generics/ApplyTest.java

// 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

OnJava8-Examples/generics/ApplyTest.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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