OnJava8-Examples/reusing/Jurassic.java

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2015-04-20 15:36:01 -07:00
//: reusing/Jurassic.java
// Making an entire class final.
class SmallBrain {}
final class Dinosaur {
int i = 7;
int j = 1;
SmallBrain x = new SmallBrain();
void f() {}
}
//! class Further extends Dinosaur {}
// error: Cannot extend final class 'Dinosaur'
public class Jurassic {
public static void main(String[] args) {
Dinosaur n = new Dinosaur();
n.f();
n.i = 40;
n.j++;
}
} ///:~