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ApplyTest.java
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65 lines (61 loc) · 1.59 KB
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// generics/ApplyTest.java
// (c)2021 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
*/