class X {
Y b =
new Y();
X() {
System.out.print(
"X");
}
}
class Y {
Y() {
System.out.print(
"Y");
}
}
public class Z extends X {
Y y =
new Y();
Z() {
System.out.print(
"Z");
}
public static void main(String[] args) {
new Z();
}
}
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