坦克大战-完成初始化窗口

src/com/msb/TankDemo.java

@@ -1,5 +1,9 @@
 package com.msb;
 
+import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
 /**
  * @Author bingor
  * @Date 2022-09-29 11:02
@@ -9,7 +13,17 @@ package com.msb;
 public class TankDemo {
 
     public static void main(String[] args) {
-
+        Frame frame = new Frame();
+        frame.setTitle("Tank war");
+        frame.setSize(200, 100);
+        frame.setResizable(true);
+        frame.setVisible(true);
+        frame.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                System.exit(0);
+            }
+        });
     }
 
 }