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You declare Vector variables just as you would any variable to which
class instances are assigned. For example, to declare v to be a
variable to which a vector will be assigned, you write the following:
*-- Declare a Vector variable v --------- Vector v;
To create a vector instance, you deploy the new operator:
*-- Create a Vector instance v ------------ new Vector()
To declare a vector variable and to create an instance in the same statement, you combine variable declaration and vector creation:
*-- Declare | *-- Create v v -------- ------------ Vector v = new Vector();