在 Java Swing 中显示警报对话框

Showing an Alert Dialog in Java Swing

提问by Ved

I want to giving an alert when there is an exception, like in code:

我想在出现异常时发出警报，例如在代码中：

try
{
    //the code here
}
catch(Exception e)
{
    //show an alert dialog here
}

An example or a code snippet is what I need.

我需要一个示例或代码片段。

采纳答案by user2336315

You can use JOptionPane.showMessageDialogwith WARNING_MESSAGE:

你可以用JOptionPane.showMessageDialog与WARNING_MESSAGE：

JOptionPane.showMessageDialog(yourFrame,
    "WARNING.",
    "Warning",
    JOptionPane.WARNING_MESSAGE);

More infos about how to make dialogs here.

有关如何在此处创建对话框的更多信息。

回答by KethanKumar

try this:

尝试这个：

JOptionPane.showMessageDialog(null, "My Goodness, this is so concise");

If you statically import JOptionPane.showMessageDialog this further reduces to

如果您静态导入 JOptionPane.showMessageDialog 这将进一步减少到

showMessageDialog(null, "This language just gets better and better!");