// arrays/ParameterizedArrayType.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.

class ClassParameter<T> {

public T[] f(T[] arg) { return arg; }

}

class MethodParameter {

public static <T> T[] f(T[] arg) { return arg; }

}

public class ParameterizedArrayType {

public static void main(String[] args) {

Integer[] ints = { 1, 2, 3, 4, 5 };

Double[] doubles = { 1.1, 2.2, 3.3, 4.4, 5.5 };

Integer[] ints2 =

new ClassParameter<Integer>().f(ints);

Double[] doubles2 =

new ClassParameter<Double>().f(doubles);

ints2 = MethodParameter.f(ints);

doubles2 = MethodParameter.f(doubles);

}

}