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Java Swing and JOptionPane

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Questions and Answers

What is the primary purpose of the JTable class in Java Swing?

To display data in a graphical format

To handle mouse events in a Java application

To provide standard dialog boxes for user interaction

To display data in tabular form (correct)

Which method of JOptionPane class is used to display a message to the user?

createDialogBox

showInputDialog

showMessageDialog (correct)

showConfirmDialog

What is the purpose of the JOptionPane class in Java?

To provide standard dialog boxes for user interaction (correct)

To create a graphical user interface

To create custom GUI components

To handle network connections in a Java application

What is the return type of the showConfirmDialog method of JOptionPane class?

Boolean (A) Signup and view all the answers

What is the purpose of the showInputDialog method of JOptionPane class?

To get input from the user (D) Signup and view all the answers

What is the primary component of the JTable class in Java Swing?

Rows and columns (A) Signup and view all the answers

What is the function of the showMessageDialog method in JOptionPane?

To display information or a warning to the user (C) Signup and view all the answers

What is the purpose of the showInputDialog method in JOptionPane?

To get input from the user (C) Signup and view all the answers

What type of dialog boxes can be created using JOptionPane?

Message, confirm, and input dialog boxes (B) Signup and view all the answers

What is the first parameter of the showMessageDialog method?

The parent component of the dialog box (D) Signup and view all the answers

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