上传了实验六,已确认无敏感信息

实验6/src/task4/Rectangle.java

@@ -0,0 +1,24 @@
+//Rectangle.java
+package task4;
+
+public class Rectangle {
+    double length;
+    double width;
+
+    public double getPerimeter() {
+        return (this.length + this.width) * 2;
+    }
+
+    public double getArea() {
+        return this.length * this.width;
+    }
+
+    public Rectangle(double length, double width) {
+        this.length = length;
+        this.width = width;
+    }
+
+    public Rectangle() {
+        this(1.0, 1.0);
+    }
+}