package?com.Face; /*需求：?使用java描述一個車與修車廠兩個事物，?車具備的公共屬性:輪子數、?名字、?顏色?，還 具備跑的功能行為。跑之前要檢測輪子是否少于了4個，如果少于了4個，那么要送到修車廠修理， 修車廠修理之后，車的輪子數要補回來4個。?然后車就繼續(xù)的跑起來。 修車廠：?具備公共屬性：?名字、?地址、?電話。 ?公共的行為：?修車。 */ class?Car{????????//???這個??Car???一直報錯?。。。。。。。。。。。????? ?String??name; ???? ?String??color; ???? ?int???wheel; ???? ?public?void?run(){ ???? ?if(wheel>=4){ ???? ?System.out.println(name+wheel+"個輪子跑起來了"); ???? ?}else{ ???? ?System.out.println(name+"不夠4個輪子，快去修理廠修理"); ???? ?} ???? ?} ???? ?} ????? ?????class?Garage{ ???? ?String??name; ???? ?String??site; ???? ?String??phone; ?????public?void?repair(Car?c){//定義一個形參Car?c??有這個參數下面才可以繼續(xù) ???? ?if(c.wheel>=4){ ???? ?System.out.println("告訴你，修好了給錢"); ???? ?}else{ ???? ????c.wheel?=4; ???? ????System.out.println("修好了?給錢！！"); ???? ?} ?????} ?????} ?????public?class?Demo2?{ ?????public?static?void?main(String[]?args){ ??????????Car?c?=?new?Car(); ??????????//賦予屬性 ??????????c.name="奔馳"; ??????????c.color=?"黑色"; ??????????c.wheel=4; ??????????for(int?i?=?0;?i?<100;i++){ ???????? ??c.run(); ??????????} ??????????c.wheel=3; ??????????c.run(); ??????????Garage?G?=new?Garage(); ??????????G.name="爸爸修車廠"; ??????????G.site="天鵝湖萬達"; ??????????G.phone="100-8600"; ??????????G.repair(c); ??????????c.run(); ?????????? ?????} ?}