当这个ExitFrame.java文件放在 F:\TTDD\21java 这下面编译时,能通过,也能运行;
可将这个同样的文件放到 F:\TTDD\21java\ttff 下面编译时,出现如下错误.
F:\TTDD\21java\ttff>javac ExitFrame.java
ExitFrame.java:8: cannot resolve symbol
symbol : class ExitWindow
location: class ExitFrame
ExitWindow exit = new ExitWindow();
^
ExitFrame.java:8: cannot resolve symbol
symbol : class ExitWindow
location: class ExitFrame
ExitWindow exit = new ExitWindow();
^
2 errors源程序如下:import javax.swing.JFrame;public class ExitFrame extends JFrame {
public ExitFrame() {
super("Frame Title fffffff");
setSize(300, 100);
setBounds(400,400,400,400);
ExitWindow exit = new ExitWindow();
addWindowListener(exit);
setVisible(true);
}
public static void main(String[] arguments) {
ExitFrame sf = new ExitFrame();
}}同样的一个程序,为什么会在不同的文件夹下就会出错?
可将这个同样的文件放到 F:\TTDD\21java\ttff 下面编译时,出现如下错误.
F:\TTDD\21java\ttff>javac ExitFrame.java
ExitFrame.java:8: cannot resolve symbol
symbol : class ExitWindow
location: class ExitFrame
ExitWindow exit = new ExitWindow();
^
ExitFrame.java:8: cannot resolve symbol
symbol : class ExitWindow
location: class ExitFrame
ExitWindow exit = new ExitWindow();
^
2 errors源程序如下:import javax.swing.JFrame;public class ExitFrame extends JFrame {
public ExitFrame() {
super("Frame Title fffffff");
setSize(300, 100);
setBounds(400,400,400,400);
ExitWindow exit = new ExitWindow();
addWindowListener(exit);
setVisible(true);
}
public static void main(String[] arguments) {
ExitFrame sf = new ExitFrame();
}}同样的一个程序,为什么会在不同的文件夹下就会出错?
解决方案 »
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