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嗒嗒租车系统【自己编写的,可能类的设计不是很好,不过效果还是达到了】

======================================start=========================================

/**

 * 

 * 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();


}

===================================end===========================================

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1 回答

看来是我点错了,这个原来是问问题的啊

0 回复 有任何疑惑可以回复我~

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嗒嗒租车系统【自己编写的,可能类的设计不是很好,不过效果还是达到了】

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