sdf/Transmission.java

package com.car.model;

/**
 * 变速箱类 - 汽车的传动组件
 * 与Car类是组合关系，与Engine和Wheel有交互关系
 */
public class Transmission {
    private String type; // 变速箱类型 (自动/手动)
    private int gearCount; // 档位数量
    private boolean hasSportMode; // 是否有运动模式
    
    /**
     * 构造方法
     * @param type 变速箱类型
     * @param gearCount 档位数量
     * @param hasSportMode 是否有运动模式
     */
    public Transmission(String type, int gearCount, boolean hasSportMode) {
        this.type = type;
        this.gearCount = gearCount;
        this.hasSportMode = hasSportMode;
    }
    
    /**
     * 换挡方法
     * @param gear 目标档位
     * @return 是否换挡成功
     */
    public boolean shiftGear(int gear) {
        if (gear >= 1 && gear <= gearCount) {
            System.out.println("Shifting to gear: " + gear);
            return true;
        }
        return false;
    }
    
    // getter and setter methods
    public String getType() {
        return type;
    }
    
    public void setType(String type) {
        this.type = type;
    }
    
    public int getGearCount() {
        return gearCount;
    }
    
    public void setGearCount(int gearCount) {
        this.gearCount = gearCount;
    }
    
    public boolean hasSportMode() {
        return hasSportMode;
    }
    
    public void setSportMode(boolean hasSportMode) {
        this.hasSportMode = hasSportMode;
    }
    
    @Override
    public String toString() {
        return "Transmission [type=" + type + ", gearCount=" + gearCount + ", hasSportMode=" + hasSportMode + "]";
    }
}