语言的基础是一组记号和一组规则

  1 package Com.TableTest;
  2 
  3 class ElectricVehicle extends TableText_15 {
  4     // 私有属性：电池品牌
  5     private String diannchi;
  6     // 公有的get***/set***方法完成属性封装
  7  
  8     public String getDiannchi() {
  9         return diannchi;
 10     }
 11  
 12     public void setDiannchi(String diannchi) {
 13         this.diannchi = diannchi;
 14     }
 15  
 16     // 重写运行方法，描述内容为：这是一辆使用**牌电池的电动车。其中**的数据由属性提供
 17     public String work() {
 18         String str="这是一辆使用"+this.getDiannchi()+"牌电池的电动车";
 19         return str;
 20 }
 21   
 22 }
 23 
 24 class Bicycle extends TableText_15 {
 25     
 26     public Bicycle(String pinpai, String color) {
 27         
 28         super.pinpai = pinpai;
 29         super.color = color;
 30     }
 31  // 重写运行方法，描述内容为：这是一辆**颜色的，**牌的自行车。其中**的数据由属性提供
 32  public String work() {
 33      String str="这是一辆"+this.getColor()+"颜色的 ，"+this.getPinpai()+"牌的自行车";
 34      System.out.println(str);
 35      return str;
 36  }
 37  
 38 }
 39 
 40  
 41 
 42  class TableText_15 {
 43     // 私有属性：品牌、颜色、轮子(默认2个)、座椅（默认 1个）
 44     public String pinpai;
 45     public String color;
 46     private int wheelNum=2;
 47     private int chairNum=1;
 48     // 无参构造方法
 49     public TableText_15() {
 50          
 51     }
 52      
 53     // 双参构造方法，完成对品牌和颜色的赋值
 54     public TableText_15(String pinpai, String color) {
 55         super();
 56         this.pinpai = pinpai;
 57         this.color = color;
 58     }
 59     // 四参构造方法，分别对所有属性赋值
 60     public TableText_15(String pinpai, String color, int wheelNum, int chairNum) {
 61         super();
 62         this.pinpai = pinpai;
 63         this.color = color;
 64         this.wheelNum = wheelNum;
 65         this.chairNum = chairNum;
 66     }
 67     
 68    // 公有的get***/set***方法完成属性封装
 69     public String getPinpai() {
 70         return pinpai;
 71     }
 72  
 73     public void setPinpai(String pinpai) {
 74         this.pinpai = pinpai;
 75     }
 76  
 77     public String getColor() {
 78         return color;
 79     }
 80  
 81     public void setColor(String color) {
 82         this.color = color;
 83     }
 84  
 85     public int getWheelNum() {
 86         return wheelNum;
 87     }
 88  
 89     public void setWheelNum(int wheelNum) {
 90         this.wheelNum = wheelNum;
 91     }
 92  
 93     public int getChairNum() {
 94     return chairNum;
 95     }
 96     public void setChairNum(int ChairNum){
 97     this.chairNum=ChairNum;
 98     }
 99     
100  
101     
102     public static void main(String[] args){
103         
104         TableText_15 t=new TableText_15("borter","white");
105         t.getColor();
106         t.getPinpai();
107         System.out.println(t.getColor());
108         System.out.println(t.getPinpai());
109         
110         ElectricVehicle e=new ElectricVehicle();
111         
112         e.setDiannchi("borter");
113         System.out.println(e.work());
114         Bicycle b=new Bicycle("borter","white");
115         System.out.println(b.work());
116         
117         
118     }
119   
120  }
121  
122 
123 
124