pregsmuser.java

java课件及例程有一些PPT及一些例程

//PreGSMUser.java
public class PreGSMUser extends GSMUser{
    private double ownfee;
    public double get_ownfee(){
        return ownfee;	
    }
    public void add_ownfee(double fee){
        ownfee+=fee;
    }
    public boolean dial(){
        if(ownfee>=0.6){
            ownfee-=0.6;
            return true;
        }
        else
            return false;	
    }    	
}