Question: JAVA class A { { System.out.println(1); } } class B extends A { { System.out.println(2); } } class C extends B { { System.out.println(3); }

JAVA

class A

{

{

System.out.println(1);

}

}

class B extends A

{

{

System.out.println(2);

}

}

class C extends B

{

{

System.out.println(3);

}

}

public class MainClass

{

public static void main(String[] args)

{

C c = new C();

}

}

why does this print 1 2 3. explanation needed

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