ADD file via upload

Square.java

@@ -0,0 +1,53 @@
+package »ù´¡2;
+
+
+/**
+ * 正方形类，实现Shape接å<EFBFBD>£
+ * @author The Administrator
+ * @version 1.0
+ * @created 26-10ÔÂ-2025 14:21:59
+ */
+class Square implements Shape {
+
+	/**
+	 * 颜色
+	 */
+	private String color;
+	/**
+	 * 边长
+	 */
+	private double sideLength;
+
+	public Square(){
+
+	}
+
+	public void finalize() throws Throwable {
+
+	}
+	/**
+	 * 构造方法åˆ<EFBFBD>始化边长和颜è‰?
+	 * 
+	 * @param sideLength
+	 * @param color
+	 */
+	public Square(double sideLength, String color){
+
+	}
+
+	/**
+	 * 实现绘图方法，输出正方形信æ<EFBFBD>¯
+	 */
+	@Override
+	public void draw(){
+
+	}
+
+	/**
+	 * 实现获å<EFBFBD>–颜色的方æ³?
+	 */
+	@Override
+	public String getColor(){
+		return "";
+	}
+}//end Square