syntax of constructor overloading in java code example

Example 1: default constructor java

Default constructor is a constructor created by compiler; if user does not 
create a constructor in a class.
If user defines a constructor in a class then java compiler will not create 
default constructor.

Example 2: Can we overload the constructors

Yes, the constructors can be overloaded by changing the number of 
arguments accepted by the constructor or by changing the data type of 
the parameters