package?li;?public?interface?ComputerWeight?{ double?computerWeight(); void?printName(); double?printPrice();}?package?li;public?interface?ComputerCompany?{ String?computerName(); void?printFunction();}?package?li;?public?class?FlashMemory?implements?ComputerWeight,ComputerCompany?{????public?double?computerWeight()????{???? double?weigh?=?2.2;???? return?weigh;????} public?void?printName() { System.out.println?("lenovo"); } public?double?printPrice() { double?price??=?5899; return?price; }? public?String?computerName()? { String?s?=?"lenovo"; return?s; }? public?void?printFunction() { System.out.println("請注意保護(hù)好您的電腦！"); }?}?package?li;public?class?Test?{ public?static?void?main(String[]?args)?{ //?TODO?Auto-generated?method?stub????????FlashMemory?fm?=?new?FlashMemory();????????double?weight,price;????????String?name;????????weight?=?fm.computerWeight();????????price?=?fm.printPrice();????????name?=?fm.computerName();????????System.out.println("該品牌電腦的名字為:?"+name);????????System.out.println(name+"的重量為：?"+weight+"kg.");????????System.out.println(name+"的價格為：?"+price+"RMB.");????????fm.printFunction(); }?}以上就是北大青鳥長沙麓谷校區(qū)java培訓(xùn)機(jī)構(gòu)的小編針對“Java中有關(guān)接口的練習(xí)題”的內(nèi)容進(jìn)行的回答，希望對大家有所幫助，如有疑問，請?jiān)诰€咨詢，有專業(yè)老師隨時為你服務(wù)。
