diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000..e4e3d55
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+Vehicle.java
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..0d37eff
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,61 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ {
+ "associatedIndex": 5
+}
+
+
+
+
+
+ {
+ "keyToString": {
+ "ModuleVcsDetector.initialDetectionPerformed": "true",
+ "RunOnceActivity.ShowReadmeOnStart": "true",
+ "RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252": "true",
+ "RunOnceActivity.git.unshallow": "true",
+ "RunOnceActivity.typescript.service.memoryLimit.init": "true",
+ "git-widget-placeholder": "main",
+ "kotlin-language-version-configured": "true",
+ "last_opened_file_path": "D:/java/untitled2/java",
+ "settings.editor.selected.configurable": "preferences.language.and.region",
+ "vue.rearranger.settings.migration": "true"
+ }
+}
+
+
+
+
+
+
+
+
+
+
+
+ 1775042616030
+
+
+ 1775042616030
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/w5/VehicleTest.java b/w5/VehicleTest.java
new file mode 100644
index 0000000..97c3c49
--- /dev/null
+++ b/w5/VehicleTest.java
@@ -0,0 +1,29 @@
+abstract class Vehicle {
+ public abstract void run();
+}
+class Car extends Vehicle {
+ @Override
+ public void run() {
+ System.out.println("汽车在公路上行驶");
+ }
+}
+class Bike extends Vehicle {
+ @Override
+ public void run() {
+ System.out.println("自行车在非机动车道行驶");
+ }
+}
+class Truck extends Vehicle {
+ @Override
+ public void run() {
+ System.out.println("卡车在货运道路行驶");
+ }
+}
+public class VehicleTest {
+ public static void main (String[] args) {
+ Vehicle[] vehicles = {new Car(),new Bike(),new Truck()};
+ for (Vehicle v : vehicles) {
+ v.run();
+ }
+ }
+}
\ No newline at end of file
diff --git a/w5/运行截图.png b/w5/运行截图.png
new file mode 100644
index 0000000..ea69d5f
Binary files /dev/null and b/w5/运行截图.png differ