ADD file via upload

Wheel.java

@@ -0,0 +1,62 @@
+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 + "]";
+    }
+}