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There are 5 caps 2-black and 3-White. Three mens A , B and C are standing in a row and each of them randomly wear a cap. C can view the caps of B and A , B can view the cap of A. When they are asked if they know what colour cap they are wearing C says NO , B says NO , But A has a right Guess . A isn't a bluff . How does A know ? (It might be asked in different ways.)
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Trainee Java Developer

Interviewed at Zycus

3.5★
Dec 27, 2013

There are 5 caps 2-black and 3-White. Three mens A , B and C are standing in a row and each of them randomly wear a cap. C can view the caps of B and A , B can view the cap of A. When they are asked if they know what colour cap they are wearing C says NO , B says NO , But A has a right Guess . A isn't a bluff . How does A know ? (It might be asked in different ways.)

One example: in the same class you have methods with the same names, both with one parameter, first is taking Object and second is taking String. You call the method with null parameter, which method will be called and why? (Would you write a code like this in a real project?)
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Senior Java Developer

Interviewed at Mphasis

3.4★
Jun 11, 2020

One example: in the same class you have methods with the same names, both with one parameter, first is taking Object and second is taking String. You call the method with null parameter, which method will be called and why? (Would you write a code like this in a real project?)

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