Which is true about constructors $?$

$($This is a multiple answer question $-$ click on all that are true$)$

Group of answer choices

A class may have NO programmer defined constructors functions

The constructor function is like the statement x $=3$;

The syntax className Objectname; call the default constructor if there is one

A constructor with arguments is called the Parameterized Constructor

A constructor with no parameter is called the Default Constructor