(introduced in Chptr. 6)

• Same name as the class
• No return type
• Used to initialize class' attributes
• May be overloaded
• Only one c'tor is invoked at creation
• Implicitly invoked:
• Each time a block is entered where an object is declared
• For static objects - before main starts
• When an object is created on the heap with new
• When an object is passed by value
• For member objects, when aggregate is created
• When child is instantiated