ADD file via upload

Seat.java

@@ -0,0 +1,64 @@
+package com.car.model;
+
+/**
+ * 座椅类 - 汽车的组件
+ * 与Car类是组合关系
+ */
+public class Seat {
+    private String type; // 座椅类型 (driver/passenger)
+    private String material; // 材质
+    private boolean isAdjustable; // 是否可调节
+    private boolean hasHeating; // 是否有加热功能
+    
+    /**
+     * 构造方法
+     * @param type 座椅类型
+     * @param material 材质
+     * @param isAdjustable 是否可调节
+     * @param hasHeating 是否有加热功能
+     */
+    public Seat(String type, String material, boolean isAdjustable, boolean hasHeating) {
+        this.type = type;
+        this.material = material;
+        this.isAdjustable = isAdjustable;
+        this.hasHeating = hasHeating;
+    }
+    
+    // getter and setter methods
+    public String getType() {
+        return type;
+    }
+    
+    public void setType(String type) {
+        this.type = type;
+    }
+    
+    public String getMaterial() {
+        return material;
+    }
+    
+    public void setMaterial(String material) {
+        this.material = material;
+    }
+    
+    public boolean isAdjustable() {
+        return isAdjustable;
+    }
+    
+    public void setAdjustable(boolean isAdjustable) {
+        this.isAdjustable = isAdjustable;
+    }
+    
+    public boolean hasHeating() {
+        return hasHeating;
+    }
+    
+    public void setHasHeating(boolean hasHeating) {
+        this.hasHeating = hasHeating;
+    }
+    
+    @Override
+    public String toString() {
+        return "Seat [type=" + type + ", material=" + material + ", isAdjustable=" + isAdjustable + ", hasHeating=" + hasHeating + "]";
+    }
+}