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class A{ A(){ System.out.println("parent class constructor invoked"); } } class B3 extends A{ B3(){ super(); System.out.println("child class constructor invoked"); } B3(int a){ super(); System.out.println("child class constructor invoked "+a); } {System.out.println("instance initializer block is invoked");} public static void main(String args[]){ B3 b1=new B3(); B3 b2=new B3(10); } }
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