sdf/SteeringWheel.java

package com.car.model;

/**
 * 方向盘类 - 汽车的组件
 * 与Car类是组合关系
 */
public class SteeringWheel {
    private String material; // 材质
    private String diameter; // 直径
    private boolean hasAirbag; // 是否有安全气囊
    
    /**
     * 构造方法
     * @param material 方向盘材质
     * @param diameter 方向盘直径
     * @param hasAirbag 是否有安全气囊
     */
    public SteeringWheel(String material, String diameter, boolean hasAirbag) {
        this.material = material;
        this.diameter = diameter;
        this.hasAirbag = hasAirbag;
    }
    
    // getter and setter methods
    public String getMaterial() {
        return material;
    }
    
    public void setMaterial(String material) {
        this.material = material;
    }
    
    public String getDiameter() {
        return diameter;
    }
    
    public void setDiameter(String diameter) {
        this.diameter = diameter;
    }
    
    public boolean hasAirbag() {
        return hasAirbag;
    }
    
    public void setAirbag(boolean hasAirbag) {
        this.hasAirbag = hasAirbag;
    }
    
    @Override
    public String toString() {
        return "SteeringWheel [material=" + material + ", diameter=" + diameter + ", hasAirbag=" + hasAirbag + "]";
    }
}