Objects and References in Java

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In this lecture, we’ll cover remaining OOP concepts like default constructors, garbage collection, this reference.

Default Constructor (Method)

The default constructor (no-arg constructor) is the constructor without any parameters.  If the class does not specify any constructors, then an implicit default constructor is created.

• Classes can have more than one constructor
• All constructors have the same name (the class name)
• Each constructor differs from the others in either the number or types of its arguments
• New is used when using a constructor to create a new object  more...