22 lines
695 B
Java
22 lines
695 B
Java
// onjava/Generated.java
|
|
// (c)2016 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|
package onjava;
|
|
import java.util.function.*;
|
|
|
|
public class Generated {
|
|
// Fill an existing array:
|
|
public static <T> T[] array(T[] a, Supplier<T> gen) {
|
|
return new CollectionData<>(gen, a.length).toArray(a);
|
|
}
|
|
// Create a new array:
|
|
@SuppressWarnings("unchecked")
|
|
public static <T> T[] array(Class<T> type,
|
|
Supplier<T> gen, int size) {
|
|
T[] a =
|
|
(T[])java.lang.reflect.Array.newInstance(type, size);
|
|
return new CollectionData<>(gen, size).toArray(a);
|
|
}
|
|
}
|