Java JButton

The JButton class is used to create a labeled button that has platform independent implementation. The application result in some action when the button is pushed. It inherits AbstractButton class.

JButton class declaration

Let's see the declaration for javax.swing.JButton class.

public class JButton extends AbstractButton implements Accessible

Commonly used Constructors:

Constructor Description
JButton() It creates a button with no text and icon.
JButton(String s) It creates a button with the specified text.
JButton(Icon i) It creates a button with the specified icon object.

Commonly used Methods of AbstractButton class:

  • void setIcon(Icon b)
  • It is used to set the specified Icon on the button.
  • Icon getIcon()
  • It is used to get the Icon of the button.
  • void setMnemonic(int a)
  • It is used to set the mnemonic on the button.
  • void addActionListener(ActionListener a)
  • It is used to add the action listener to this object.
  • Methods Description
    void setText(String s) It is used to set specified text on button
    String getText() It is used to return the text of the button.
    void setEnabled(boolean b) It is used to enable or disable the button.

    Java JButton Example

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    Java JButton Example with ActionListener

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    Example of displaying image on the button:

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