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Operators

Question : 19

Total: 23

Given:

class Mixer {
  Mixer() { }
  Mixer(Mixer m) { m1 = m; }
  Mixer m1;
  public static void main(String[] args) {
   Mixer m2 = new Mixer();
   Mixer m3 = new Mixer(m2); m3.go();
   Mixer m4 = m3.m1; m4.go();
   Mixer m5 = m2.m1; m5.go();
  }
  void go() { System.out.print("hi "); }
}

What is the result?

hi
hi hi
hi hi hi
Compilation fails
hi, followed by an exception
hi hi, followed by an exception

Validate

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