OnJava8-Examples/initialization/OrderOfInitialization.java

37 lines
870 B
Java
Raw Normal View History

2015-04-20 15:36:01 -07:00
//: initialization/OrderOfInitialization.java
2015-05-29 14:18:51 -07:00
// <20>2015 MindView LLC: see Copyright.txt
2015-04-20 15:36:01 -07:00
// Demonstrates initialization order.
import static net.mindview.util.Print.*;
// When the constructor is called to create a
// Window object, you'll see a message:
class Window {
Window(int marker) { print("Window(" + marker + ")"); }
}
class House {
Window w1 = new Window(1); // Before constructor
House() {
// Show that we're in the constructor:
print("House()");
w3 = new Window(33); // Reinitialize w3
}
Window w2 = new Window(2); // After constructor
void f() { print("f()"); }
Window w3 = new Window(3); // At end
}
public class OrderOfInitialization {
public static void main(String[] args) {
House h = new House();
h.f(); // Shows that construction is done
}
} /* Output:
Window(1)
Window(2)
Window(3)
House()
Window(33)
f()
*///:~