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Foil 39 Java Language -- Interface Example -- Implementing Storable

From Java to be used in (Scientific) Computing Part II: Java Language and Object-Oriented Concepts Basic Simulation Track for Computational Science CPS615 -- Fall Semester 97. by Nancy J. McCracken,Geoffrey C. Fox
1 A class may implement an interface, in which case it provides the body for the methods specified in the interface.
2 interface storable has store and retrieve methods
  • public class Picture implements Storable {
    • public void store(Stream s) {
    • // JPEG compress image before storing
    • }
    • public void retrieve(Stream s) {
    • // JPEG decompress image before retrieving
    • }
  • }
  • public class StudentRecord implements Storable {
    • . . .
  • }
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