sdf/Wheel.java

package com.car.model;

/**
 * 车轮类 - 汽车的基础组件
 * 与Car类是组合关系
 */
public class Wheel {
    private String size; // 尺寸
    private String type; // 类型 (夏季/冬季/全季)
    private int pressure; // 气压
    
    /**
     * 构造方法
     * @param size 车轮尺寸
     * @param type 车轮类型
     * @param pressure 标准气压
     */
    public Wheel(String size, String type, int pressure) {
        this.size = size;
        this.type = type;
        this.pressure = pressure;
    }
    
    /**
     * 检查轮胎气压
     * @return 气压状态
     */
    public boolean checkPressure() {
        // 简单模拟检查逻辑
        return pressure >= 30 && pressure <= 35;
    }
    
    // getter and setter methods
    public String getSize() {
        return size;
    }
    
    public void setSize(String size) {
        this.size = size;
    }
    
    public String getType() {
        return type;
    }
    
    public void setType(String type) {
        this.type = type;
    }
    
    public int getPressure() {
        return pressure;
    }
    
    public void setPressure(int pressure) {
        this.pressure = pressure;
    }
    
    @Override
    public String toString() {
        return "Wheel [size=" + size + ", type=" + type + ", pressure=" + pressure + "]";
    }
}