package duixiang; public class jicheng extends Car { public jicheng() { System.out.println("调用自己的构造方法"); } public jicheng(String pinpai,double zaizhong) { //this.setPinpai(pinpai); super(pinpai);//super 代表父类 this.zaizhong=zaizhong; } //载重量 private double zaizhong; public double getZaizhong() { return zaizhong; } //货物重量 private double huozhong; public double getHuozhong() { return huozhong; } //发动 public void fadong() { System.out.println("子类吧车发动了"); if(this.getYouliang()!=this.getYouxiang()) { System.out.println("加满油再发动车"); } else { System.out.println("子类调用父类发动了汽车"); super.fadong(); } } //装货 public void zhuanghuo(double huo) { if(huo>zaizhong) { System.out.println("不能再装了"); huozhong = zaizhong; return; } else { huozhong=huo; } System.out.println("这次装了"+huo); } }
package duixiang; public class Test3 { public static void main(String[] args) { jicheng kache=new jicheng("解放",50); kache.setYouxiang(60); kache.jiayou(40); kache.zhuanghuo(50); kache.fadong(); kache.jiayou(20); kache.fadong(); System.out.println("载重量="+kache.getZaizhong()+"油量"); } }
时间: 2024-07-30 03:18:12