新手求助!编译出错。
我在WIN2000中安装:j2sdk1.4.2,安装过程中自动重启。安装目录是C:\j2sdk1.4.2
PATH=%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\Microsoft SQL Server\80\Tools\BINN;c:\j2sdk1.4.2\bin;.
PATHCLASS=D:JavaProgramming;.
运行出错::“error:cannot read:hello.java"
HelloWorld.java代码:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class HelloWorld extends JFrame
{
public HelloWorld(String titleText)
{
super(titleText);
addwindowListener(new WindowAdapter()
{
public void
windowClosing(WindowEvent e)
{
HelloWorld.this.dispose();
System.exit(0);
}
});
JLabel greeting=new JLabel("Hello world!",JLabel.CENTER);
getContenPane().add(greeting,BorderLayout.CENTER);
setSize(300,100);
setVisible(true);
}
public static void main(String[] args)
{
new HelloWorld("HelloWorld!Sample");
}
}