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//: reusing/Detergent.java

package reusing; /* Added by Eclipse.py */

// Inheritance syntax & properties.

import static net.mindview.util.Print.*;

class Cleanser {

private String s = "Cleanser";

public void append(String a) { s += a; }

public void dilute() { append(" dilute()"); }

public void apply() { append(" apply()"); }

public void scrub() { append(" scrub()"); }

public String toString() { return s; }

public static void main(String[] args) {

Cleanser x = new Cleanser();

x.dilute(); x.apply(); x.scrub();

print(x);

}

}

public class Detergent extends Cleanser {

// Change a method:

public void scrub() {

append(" Detergent.scrub()");

super.scrub(); // Call base-class version

}

// Add methods to the interface:

public void foam() { append(" foam()"); }

// Test the new class:

public static void main(String[] args) {

Detergent x = new Detergent();

x.dilute();

x.apply();

x.scrub();

x.foam();

print(x);

print("Testing base class:");

Cleanser.main(args);

}

} /* Output:

Cleanser dilute() apply() Detergent.scrub() scrub() foam()

Testing base class:

Cleanser dilute() apply() scrub()

*///:~