日期:2014-05-20 浏览次数:20574 次
public class TV extends Machine{ private String brand; private int maxvolume; public TV() { } public void work(){ System.out.println("Play audio and video meida"); } public String toString(){ return "The power is "+getPower()+"\n"+"The voltage is "+getVoltage()+"\n"+"The current is "+getCurrent()+"\n"+"The type is "+getType()+"\n"+"The brand is "+brand+"\n"+"The maximum volume is "+maxvolume; } public static void main(String[] args) { TV tv=new TV(); System.out.println(tv); } }