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Question

What is the output of the below Java program with method overriding?
class Amplifier
{
  void addGain(int a)
  {
    System.out.println((a + 10)+"dB");
  }
}
class DigitalAmplifier extends Amplifier
{
  void addGain(int a)
  {
    super.addGain(a+5);
  }
}
public class MethodOverriding7
{
  public static void main(String[] args)
  {
    DigitalAmplifier da = new DigitalAmplifier();
    da.addGain(12);
  }
}

a.

22dB

b.

27dB

c.

22dB 27dB

d.

Compiler error

Posted under Java Programming

Answer: (b).27dB

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Q. What is the output of the below Java program with method overriding?

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