17 lines
478 B
Java
17 lines
478 B
Java
|
//: generics/Holder3.java
|
|||
|
|
// <20>2015 MindView LLC: see Copyright.txt
|
|||
|
|
|
|||
|
|
public class Holder3<T> {
|
|||
|
|
private T a;
|
|||
|
|
public Holder3(T a) { this.a = a; }
|
|||
|
|
public void set(T a) { this.a = a; }
|
|||
|
|
public T get() { return a; }
|
|||
|
|
public static void main(String[] args) {
|
|||
|
|
Holder3<Automobile> h3 =
|
|||
|
|
new Holder3<>(new Automobile());
|
|||
|
|
Automobile a = h3.get(); // No cast needed
|
|||
|
|
// h3.set("Not an Automobile"); // Error
|
|||
|
|
// h3.set(1); // Error
|
|||
|
|
}
|
|||
|
|
} /* Output: (None) *///:~
|