Separate HTML for LOCAL Foil 120 Determining and Testing Class of Object

HELP! * GREY=local LOCAL HTML version of Foils prepared July 10 1996

Foil 120 Determining and Testing Class of Object

From Basic Lectures on Java Language Applets Graphics Networking Trip to China and Icase Tutorial -- July 12-28 and June 10-13 96. by Geoffrey C. Fox * See also color IMAGE

Suppose an object is called obj , then we get Class of obj by

Class itsclass = obj.getClass(); // and the name of this class by:

String name = itsclass.getName();

One can also use instanceof in following fashion

"foo" instanceof String // is evaluated to true but

mPoint pt = new mPoint(x,y);

pt instanceof String // is evaluated to false

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