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/**

 * 

 * 哒哒租车系统<br>

 * 车类，所有车的父类

 * 

 * @author JohnNiang

 * @version v1.0

 *

 */

public abstract class Car {

// 定义成员变量

public String model; // 车型

public float price; // 车辆的租车价格

public boolean isRent = false; // 是否可租

// 成员函数

public Car() {

model = "null";

price = 0f;

isRent = false;

}

public Car(String model, float price, boolean isRent) {

this.model = model;

this.price = price;

this.isRent = isRent;

}

public abstract String getModel();

public abstract void setModel(String model);

public abstract float getPrice();

public abstract void setPrice(float price);

public abstract boolean getIsRent();

public abstract void setRent(boolean isRent);

@Override

public abstract String toString();

}

====================================================================================

/**

 * 客车或小车类，继承车类

 * 

 * @author JohnNiang

 * @version v1.0

 */

public class Bus extends Car {

// 定义额外的成员变量

private int peoNum; // 客车特有的载客量

// 成员变量

public Bus() {

}

public Bus(String model, float price, boolean isRent, int peoNum) {

super(model, price, isRent);

this.peoNum = peoNum;

}

public String getModel() {

return model;

}

public void setModel(String model) {

this.model = model;

}

public float getPrice() {

return price;

}

public void setPrice(float price) {

this.price = price;

}

public boolean getIsRent() {

return isRent;

}

public void setRent(boolean isRent) {

this.isRent = isRent;

}

public void setPeoNum(int peoNum) {

this.peoNum = peoNum;

}

public int getPeoNum() {

return peoNum;

}

@Override

public String toString() {

if (isRent) {

return model + "\t\t" + price + "/天\t\t载人：" + peoNum

+ "人\t\t\t\t是";

} else {

return model + "\t\t" + price + "/天\t\t载人：" + peoNum

+ "人\t\t\t\t否";

}

}

}

=================================================================================

/**

 * 卡车类，继承车类

 * 

 * @author JohnNiang

 * @version v1.0

 */

public class Trunk extends Car {

// 新增成员变量

private float loadNum; // 卡车特有的载货量

// 成员方法

public Trunk() {

}

public Trunk(String model, float price, boolean isRent, float loadNum) {

super(model, price, isRent);

this.loadNum = loadNum;

}

public String getModel() {

return model;

}

public void setModel(String model) {

this.model = model;

}

public float getPrice() {

return price;

}

public void setPrice(float price) {

this.price = price;

}

public boolean getIsRent() {

return isRent;

}

public void setRent(boolean isRent) {

this.isRent = isRent;

}

public void setLoadNum(float loadNum) {

this.loadNum = loadNum;

}

public float getLoadNum() {

return loadNum;

}

@Override

public String toString() {

if (isRent) {

return model + "\t\t" + price + "/天\t\t载货：" + loadNum

+ "吨\t\t\t是";

} else {

return model + "\t\t" + price + "/天\t\t载货：" + loadNum

+ "吨\t\t\t否";

}

}

}

==================================================================================

/**

 * 皮卡车类，继承车类

 * 

 * @author JohnNiang

 * @version v1.0

 */

public class PickUp extends Car {

// 定义成员变量，皮卡同时可以载人，也可以载货

private float loadNum; // 载货量

private int peoNum; // 载人量

// 成员方法

public PickUp() {

}

public PickUp(String model, float price, boolean isRent, float loadNum,

int peoNum) {

super(model, price, isRent);

this.loadNum = loadNum;

this.peoNum = peoNum;

}

public String getModel() {

return model;

}

public void setModel(String model) {

this.model = model;

}

public float getPrice() {

return price;

}

public void setPrice(float price) {

this.price = price;

}

public boolean getIsRent() {

return isRent;

}

public void setRent(boolean isRent) {

this.isRent = isRent;

}

public void setLoadNum(float loadNum) {

this.loadNum = loadNum;

}

public float getLoadNum() {

return loadNum;

}

public void setPeoNum(int peoNum) {

this.peoNum = peoNum;

}

public int getPeoNum() {

return peoNum;

}

@Override

public String toString() {

if (isRent) {

return model + "\t\t" + price + "/天\t\t载人：" + peoNum

+ "人\n\t\t\t\t\t载货：" + loadNum + "吨\t\t\t是";

} else {

return model + "\t\t" + price + "/天\t\t载人：" + peoNum

+ "人\n\t\t\t\t\t载货：" + loadNum + "吨\t\t\t否";

}

}

}

==================================================================================

/**

 * 

 * 哒哒租车系统<br>

 * 车类，所有车的父类

 * 

 * @author JohnNiang

 * @version v1.0

 *

 */

public abstract class Car {

// 定义成员变量

public String model; // 车型

public float price; // 车辆的租车价格

public boolean isRent = false; // 是否可租

// 成员函数

public Car() {

model = "null";

price = 0f;

isRent = false;

}

public Car(String model, float price, boolean isRent) {

this.model = model;

this.price = price;

this.isRent = isRent;

}

public abstract String getModel();

public abstract void setModel(String model);

public abstract float getPrice();

public abstract void setPrice(float price);

public abstract boolean getIsRent();

public abstract void setRent(boolean isRent);

@Override

public abstract String toString();

}

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