What does showinfo mean in java

The JOptionPane.showMessageDialog method is used in Java to display a simple information dialog box containing a message and icon to provide information or confirmation to the user. Usage method: JOptionPane.showinfo(parentComponent, message, title, messageType), where parentComponent specifies the display location of the dialog box, message is the message to be displayed, title is the title, and messageType specifies the message type.

The meaning of showinfo in Java

showinfo is a commonly used method in the Swing component library in Java and belongs to JOptionPane class. It is used to display a simple dialog box containing a message and icon to provide information or confirmation to the user.

Usage method

JOptionPane.showinfo(Component parentComponent, Object message, String title, int messageType)

• parentComponent: Dialog parent component, specifies the display position of the dialog box.
• message: The message to be displayed, which can be a string, component or other object.
• title: Dialog title, displayed at the top of the dialog box.
• messageType: Specify the type of message, such as INFORMATION_MESSAGE (information), QUESTION_MESSAGE (question), WARNING_MESSAGE (warning), or ERROR_MESSAGE (error).

Sample Code

import javax.swing.JOptionPane;

public class ShowInfoExample {
    public static void main(String[] args) {
        String message = "这是信息消息";
        String title = "应用程序消息";

        JOptionPane.showMessageDialog(null, message, title, JOptionPane.INFORMATION_MESSAGE);
    }
}

In the above example, the code will display a message containing the information message "This is an information message" and the title "Application Message" dialog box.

The above is the detailed content of What does showinfo mean in java. For more information, please follow other related articles on the PHP Chinese website!