Basic HTML version of Foils prepared 18 May 97

Foil 38 Using a Class

From Java Tutorial - Spring 1997 Part II: Java Language and Object-Oriented Concepts Peking Tutorial, Web Certificate -- Spring-Summer 1997. by Nancy J. McCracken,Geoffrey C. Fox
1 This declares object today to have type class
    • Date today
2 Date() is Constructor of Date class which constructs an instance of Date class and sets default value to be the current date
    • new Date()
3 An example application using a method of the Date class:
  • import java.util.Date;
  • class DateApplication
  • { public static void main ()
  • { Date today = new Date();
  • Date medieval = new Date(1400, 12, 25);
  • if (today.after (medieval))
    • System.out.println( "Today is not medieval!");
    • }}
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