sensorreadout.java

db4o db4o是一个嵌入式的开源对象数据库引擎.对于Java与.NET开发者来说都是一个非常好的对象持久化工具. db4o性能高并且安装简单.

package com.db4o.f1.chapter4;

import java.util.*;

public class SensorReadout {
    private Date time;
    private Car car;
    private String description;

    protected SensorReadout(Date time,Car car,String description) {
        this.time=time;
        this.car=car;
        this.description=description;
    }

    public Car getCar() {
        return car;
    }

    public Date getTime() {
        return time;
    }

    public String getDescription() {
        return description;
    }
    public String toString() {
        return car+" : "+time+" : "+description;
    }
}