class A {
private int i;
A(int ii) {
i = ii;
}
}
public class MainClass {
private final int i = 0; // Initialized final
private final int j; // Blank final
private final A a; // Blank final reference
// Blank finals MUST be initialized in the constructor:
public MainClass() {
j = 1; // Initialize blank final
a = new A(1); // Initialize blank final reference
}
public MainClass(int x) {
j = x; // Initialize blank final
a = new A(x); // Initialize blank final reference
}
public static void main(String[] args) {
new MainClass();
new MainClass(47);
}
}