OnJava8-Examples/arrays/ArrayOfGenericType.java
2015-11-03 12:00:44 -08:00

14 lines
379 B
Java

// arrays/ArrayOfGenericType.java
// 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]; }
}