新建一个名为TankClient的类 并在类中添加如下的代码
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class TankClient extends Frame{
import java.aw新建一个名为TankClient的类 并在类中添加如下的代码
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class TankClient extends Frame{
import java.aw