设好了CLASSPATH后,又跑出下面的问题来了Exception in thread "main" java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable. at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method) at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:134) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:141) at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:62) at java.awt.Window.init(Window.java:231) at java.awt.Window.<init>(Window.java:275) at java.awt.Frame.<init>(Frame.java:401) at javax.swing.JFrame.<init>(JFrame.java:198) at SimpleTableDemo.<init>(SimpleTableDemo.java:12) at SimpleTableDemo.main(SimpleTableDemo.java:74)
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:134)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:141)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:62)
at java.awt.Window.init(Window.java:231)
at java.awt.Window.<init>(Window.java:275)
at java.awt.Frame.<init>(Frame.java:401)
at javax.swing.JFrame.<init>(JFrame.java:198)
at SimpleTableDemo.<init>(SimpleTableDemo.java:12)
at SimpleTableDemo.main(SimpleTableDemo.java:74)