Java—面向对象—权限修饰符及思维导图

package org.hanqi.pn0120;

//汽车
public class Car {

//颜色
private String yanse;
//品牌
private String pinpai;
//油箱容量
private double youxiangrl = 40;
//当前油量
private double dangqianrl;

public double getDangqianrl()
{
return this.dangqianrl;
}
//加油
public void jiayou(double youliang)
{
if(youliang<0)
{
System.out.println("不要偷油");
}
else if(this.dangqianrl+youliang>this.youxiangrl)
{
//本次加油量
double bcyl = this.youxiangrl-this.dangqianrl;
this.dangqianrl=this.youxiangrl;
System.out.println("油太多了，已经加满了,这次加了"+bcyl+"升油");
}
else
{
this.dangqianrl+=youliang;
System.out.println("这次加了 "+youliang+"升油");
}
}
//private double youhao
private double xingshizlc = 0;
public double getXingshizlc()
{
return this.xingshizlc;
}
//行驶
public void xingshi(double xingshilc,double youhao)
{
//判断车本身有没有油
if(this.dangqianrl <=0)
{
System.out.println("车没有油，怎么开车");
return;
}
if(xingshilc < 0 || youhao < 0)
{
System.out.println("不可能这么开车");
}
else
{
//油耗
double dangqyh = xingshilc * youhao / 100;
this.dangqianrl -= dangqyh;
//验证当前油量
//this.dangqianrl = this.dangqianrl > 0 ?this.dangqianrl : 0;
if(this.dangqianrl<0)
{
this.dangqianrl=0;
System.out.println("你是推着车走么");
}
this.xingshizlc += xingshilc;
System.out.println("本次行驶了 "+xingshilc+" 公里");
}
}

public String getYanse() {
return yanse;
}
public void setYanse(String yanse) {
this.yanse = yanse;
}
public String getPinpai() {
return pinpai;
}
public void setPinpai(String pinpai) {
this.pinpai = pinpai;
}
public double getYouxiangrl() {
return youxiangrl;
}
public void setYouxiangrl(double youxiangrl) {
this.youxiangrl = youxiangrl;
}

public void setDangqianrl(double dangqianrl) {
this.dangqianrl = dangqianrl;
}
public Car(String pinpai, double youxiangrl) {
super();
this.pinpai = pinpai;
this.youxiangrl = youxiangrl;
}

//main方法
public static void main(String[]args)
{
Car myBenchi = new Car("奔驰",50);
System.out.println("品牌="+myBenchi.getPinpai());
System.out.println("油箱容量="+myBenchi.getYouxiangrl());
myBenchi.xingshi(200, 13);
myBenchi.jiayou(30);
myBenchi.jiayou(30);
System.out.println("当前容量="+myBenchi.dangqianrl);
myBenchi.xingshi(300, 15);
System.out.println("当前容量="+myBenchi.dangqianrl);
System.out.println("当前总里程="+myBenchi.getXingshizlc());
myBenchi.xingshi(200, 13);
System.out.println("当前总里程="+myBenchi.getXingshizlc());
System.out.println("当前容量="+myBenchi.dangqianrl);
}
}