上传了实验三,已确认无敏感信息

实验3/src/test2/Cone.java

@@ -0,0 +1,21 @@
+//Cone.java
+package test2;
+
+public class Cone {
+    double buttom;
+    double height;
+
+    public void set(double buttom, double height) {
+        this.buttom = buttom;
+        this.height = height;
+    }
+
+    public Cone() {
+    }
+
+    public void disaplay() {
+        System.out.println(
+                "This cone's buttom area is " + buttom + ", height is " + height + ", volume is "
+                        + buttom * height / 3);
+    }
+}