?? testex5.java
字號:
// interfaces.TestEx5.java
// TIJ4 Chapter Interfaces, Exercise 5, page 320
// Create an interface containing three methods, in its own package. Implement it
// in another package.
/* Solution includes, in package interfaces.ex5:
* package interfaces.ex5;
*
* public interface Ex5 {
* void sayOne();
* void sayTwo();
* void sayThree();
* }
*/
import interfaces.ex5.*;
public class TestEx5 implements Ex5 {
public void sayOne() { System.out.println("one"); }
public void sayTwo() { System.out.println("two"); }
public void sayThree() { System.out.println("three"); }
public static void main(String[] args) {
TestEx5 x = new TestEx5();
x.sayOne();
x.sayTwo();
x.sayThree();
}
}
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