this 代表當前對象 當前對象指的是這個類例如Telphone 主要作用是賦值 不理解的不要過于糾結 繼續向后面學習 然后時不時的回頭看基礎 當時不能理解的 突然間就會豁然開朗的
2018-07-31
package com.transpotation;
public class Boat extends Transport {
String name = "小船";
String way = "海洋";
int num = 10;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
public class Boat extends Transport {
String name = "小船";
String way = "海洋";
int num = 10;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
2018-07-27
package com.transpotation;
//輪船
public class Ship extends Transport{
String name = "輪船";
String way = "海洋";
int num = 100;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
//輪船
public class Ship extends Transport{
String name = "輪船";
String way = "海洋";
int num = 100;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
2018-07-27
package com.transpotation;
//飛機
public class Plane extends Transport{
String name = "飛機";
String way = "天空";
int num = 400;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
//飛機
public class Plane extends Transport{
String name = "飛機";
String way = "天空";
int num = 400;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
2018-07-27
package com.transpotation;
//長途大巴
public class Car2 extends Transport{
String name = "長途大巴";
String way = "陸地";
int num = 40;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
//長途大巴
public class Car2 extends Transport{
String name = "長途大巴";
String way = "陸地";
int num = 40;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
2018-07-27
package com.transpotation;
//小汽車
public class Car1 extends Transport{
String name = "小汽車";
String way = "陸地";
int num = 5;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
//小汽車
public class Car1 extends Transport{
String name = "小汽車";
String way = "陸地";
int num = 5;
public void run(String trans){
System.out.println(name+"能在"+ way+"拉"+num+"人");
}
}
2018-07-27
package com.transpotation;
//父類
public class Transport {
String name,way;
int num;
public void run(String trans) {
// TODO Auto-generated method stub
System.out.println("這是父類!");
}
}
//父類
public class Transport {
String name,way;
int num;
public void run(String trans) {
// TODO Auto-generated method stub
System.out.println("這是父類!");
}
}
2018-07-27