照抄书上一段代码,7个错~!
照抄书上一段代码,7个错~!
import Java.awt.*;
public class work
{
public static void main(String args[])
{
int count=0;
Button B1=new Button();
Button B2=new Button("我很正常!");
B1.setBounds(10,30,120,80);
B2.setBounds(140,30,120,80);
Frame f=new Frame("使用按钮组件");
f.setBounds(0,0,270,120);
f.setLayout(null);
f.add(B1);
f.add(B2);
f.show();
while(true)
{
B1.setLabel(String.valueOf(count++));
if(count==10000) break;
}
B2.setLabel("终于数完了!");
}
}
work.java [1:1] package Java.awt does not exist
import Java.awt.*;
^
work.java [7:1] cannot resolve symbol
symbol : class Button
location: class work
Button B1=new Button();
^
work.java [7:1] cannot resolve symbol
symbol : class Button
location: class work
Button B1=new Button();
^
work.java [8:1] cannot resolve symbol
symbol : class Button
location: class work
Button B2=new Button("我很正常!");
^
work.java [8:1] cannot resolve symbol
symbol : class Button
location: class work
Button B2=new Button("我很正常!");
^
work.java [11:1] cannot resolve symbol
symbol : class Frame
location: class work
Frame f=new Frame("使用按钮组件");
^
work.java [11:1] cannot resolve symbol
symbol : class Frame
location: class work
Frame f=new Frame("使用按钮组件");
^
7 errors
编译 work. 时出错