java how to call a constructor code example

Example 1: how to create a constructor in java

class Other{
    public Other(String message){
        System.out.println(message);
    }
}

class scratch{
    public static void main(String[] args) {
        Other method = new Other("Hey");
        //prints Hey to the console
    }
}

Example 2: java constructor

class MyClass {
  public MyClass () {
    //constructor code
  }
}

Example 3: 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 4: calling this in constructor java

In Java another constructor of the same class can be called from a
  constructor via this().
 Note however that this has to be on the first line.