public class Father {
static {
System.out.println("fa static ");
}
{
System.out.println("fa {} ");
}
public Father() {
System.out.println("fa () ");
}
}
public class Sub extends Father{
static {
System.out.println("sub static ");
}
{
System.out.println("sub {} ");
}
public Sub() {
System.out.println("sub () ");
}
}
fa static
sub static
fa {}
fa ()
sub {}
sub ()









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