OnJava8-Examples/arrays/ArrayOfGenericType.java
2015-12-18 11:28:19 -08:00

17 lines
559 B
Java

// arrays/ArrayOfGenericType.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.
// Arrays of generic types won't compile.
public class ArrayOfGenericType<T> {
T[] array; // OK
@SuppressWarnings("unchecked")
public ArrayOfGenericType(int size) {
//- array = new T[size]; // Illegal
array = (T[])new Object[size]; // "unchecked" Warning
}
// Illegal:
//- public <U> U[] makeArray() { return new U[10]; }
}