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What is showInputDialog in Java?

static String showInputDialog(Component parentComponent, Object message) It is used to show a question-message dialog requesting input from the user parented to parentComponent. void setInputValue(Object newValue) It is used to set the input value that was selected or input by the user.

Then, how do you use JOptionPane showInputDialog?

import javax. swing. JOptionPane;

  1. import javax.
  2. To get an input box that the user can type into, we can use the showInputDialog method of JOptionPane.
  3. String first_name;
  4. Double click showInputDialog.
  5. String family_name;
  6. String full_name;
  7. JOptionPane.showMessageDialog( null, full_name );

Subsequently, question is, what does JOptionPane showInputDialog return? JOptionPane. showInputDialog() will return the string the user has entered if the user hits ok, and returns null otherwise. Therefore, you can just check to see if the resultant string is null .

Hereof, what is meant by Swing in Java?

Swing is a set of program component s for Java programmers that provide the ability to create graphical user interface ( GUI ) components, such as buttons and scroll bars, that are independent of the windowing system for specific operating system . Swing components are used with the Java Foundation Classes ( JFC ).

How do you make a JOptionPane?

Creating a JOptionPane : JOptionPane Dialog « Swing « Java

  1. Display a message (through the use of the showMessageDialog method)
  2. Ask for user's confirmation (using the showConfirmDialog method)
  3. Obtain the user's input (using the showInputDialog method)
  4. Do the combined three above (using the showOptionDialog method)

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