Creating Objects

An object is created in Java using the _______________

"new" operator

Two object references that point to the same object are sometimes called

Aliases of each other

The newly created object is set up initially by a call to a

Constructor, which is like a special method that initializes the object's data and does whatever other tasks are needed (if any) to prepare the object for use.

T or F: An object must be created when its object reference variable is declared.

False No, those can be separate activities.

T or F: A String object cannot be created with a new operator

False Sure it can, but often a string literal is all you need.

T or F: The Java keyword new is a method that can be called to create objects.

False The keyword new is an operator.

T or F: A constructor of a class has the same name as the class.

True And is called when the object is created.

T or F: Strings are the only objects in Java that have a literal representation.

True Instead of saying: String name = new String("George R. R. Martin"); Just say: String name = "George R. R. Martin";

T or F: A String method can be called through a string literal.

True This is fine since a string literal represents the object.

T or F: Following a null reference will cause an exception to be thrown.

True When in doubt, check.

A constructor has the same name as the

class

After the new object is created, its address is stored in

the object reference variable