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The expression 127 is not of type short - rather it is of type int .

If you want to have an expression of type short , use (short) 127 , as in:

Overloaded o = new Overloaded((short)127);
Then your example will work.
                Just a word of caution: short values are limited to -32768 to +32767 meaning that e.g. (short)32768 will result in -32768
– Moonlit
                Jun 14, 2016 at 5:47
All numeric constants are by default of integer type, and when you want to save integer to byte/short field you need to do a narrowing conversion using cast:
(byte)127
(short)127
Or in your case:
Overloaded o = new Overloaded((byte)127);
Or if you want to short:
Overloaded o = new Overloaded((short)127);
The above code wont produce an error.
It would rather show an output- con 3 is called.
Short type can be called in a constructor.
Typecast it to short
Overloaded o = new Overloaded((short)127);
                for a better answer, try to explain more. Why it won't produce an error, and why your answer would work.
– JLT
                Jun 14, 2016 at 5:55