What is a class?

Fields say what an object is

Methods say what an object does

class TwoDPoint {
  double x;
  double y;

To compile this class, put it in a file called TwoDPoint.java and type:

$ javac TwoDPoint.java

What does this produce?

Is this a complete program? Can you run it?

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Copyright 1997-2006 Elliotte Rusty Harold
Last Modified April 5, 2006