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Java Swing and JOptionPane

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?

<p>Boolean (A)</p> Signup and view all the answers

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

<p>To get input from the user (D)</p> Signup and view all the answers

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

<p>Rows and columns (A)</p> Signup and view all the answers

What is the function of the showMessageDialog method in JOptionPane?

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

What is the purpose of the showInputDialog method in JOptionPane?

<p>To get input from the user (C)</p> Signup and view all the answers

What type of dialog boxes can be created using JOptionPane?

<p>Message, confirm, and input dialog boxes (B)</p> Signup and view all the answers

What is the first parameter of the showMessageDialog method?

<p>The parent component of the dialog box (D)</p> Signup and view all the answers

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