?? detergent.java
字號:
//:c06 :Detergent.java
class Cleanser
{
private String s=new String("Cleanser");
public void append(String a){s+=a;}
public void dilute(){append("dilute()");}
public void apply(){append("apply()");}
public void scrub(){append("scrub()");}
public void Print(){System.out.println(s);}
public static void main(String []args)
{
Cleanser x=new Cleanser();
x.dilute();x.apply();x.scrub();x.Print();
}
}
public class Detergent extends Cleanser
{
public void scrub()
{
append("detergent.scrub()");
super.scrub();
}
public void foam(){append("foam()");}
public static void main(String []args)
{
Detergent x=new Detergent();
x.dilute();
x.apply();
x.scrub();
x.foam();
x.Print();
System.out.println("Testing base class:");
Cleanser.main(args);
}
}
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