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Which method is used to set the visibility of a component in Java GUI?1 pointsetVisible()add()remove()setEnabled()

Question

Which method is used to set the visibility of a component in Java GUI?

  1. setVisible()
  2. add()
  3. remove()
  4. setEnabled()
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Solution

Break Down the Problem

  1. Identify the options provided for setting the visibility of a component in Java GUI.
  2. Determine which of the given methods specifically relates to changing visibility.

Relevant Concepts

In Java GUI programming (particularly with Swing), the visibility of a component can be controlled by the following common methods:

  • setVisible(boolean) - This method is used to show or hide a component based on the boolean value provided.
  • add(Component) - This method is used to add a component to a container, not for visibility.
  • remove(Component) - This method is used to remove a component from a container, not for visibility.
  • setEnabled(boolean) - This method is used to enable or disable a component, not for visibility.

Analysis and Detail

  1. setVisible(boolean) directly controls whether a component is shown (true) or hidden (false).
  2. Methods like add() and remove() are about component management within the container, while setEnabled() pertains to the interactivity of a component but does not affect its visibility.

Verify and Summarize

The only method among the options that sets the visibility of a component is setVisible().

Final Answer

The method used to set the visibility of a component in Java GUI is setVisible().

This problem has been solved

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