Value Change Listener to JTextField

Mappy Show answered on May 6, 2022 Popularity 7/10 Helpfulness 3/10

answer Value Change Listener to JTextField

related set default editor to nvim

Value Change Listener to JTextField

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// Listen for changes in the text
textField.getDocument().addDocumentListener(new DocumentListener() {
  public void changedUpdate(DocumentEvent e) {
    warn();
  }
  public void removeUpdate(DocumentEvent e) {
    warn();
  }
  public void insertUpdate(DocumentEvent e) {
    warn();
  }

  public void warn() {
     if (Integer.parseInt(textField.getText())<=0){
       JOptionPane.showMessageDialog(null,
          "Error: Please enter number bigger than 0", "Error Message",
          JOptionPane.ERROR_MESSAGE);
     }
  }
});

Popularity 7/10 Helpfulness 3/10 Language java

Source: stackoverflow.com

Tags: java jtextfield listener

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Contributed on May 06 2022

Mappy Show

0 Answers Avg Quality 2/10

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set default editor to nvim

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# You might want to add nvim to the editor list first:
sudo update-alternatives --install /usr/bin/editor editor $(which nvim) 21

# Then you can simply choose neovim to be your default editor
sudo update-alternatives --config editor

Popularity 1/10 Helpfulness 1/10 Language shell

Source: Grepper

Tags: shell default editor set

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Contributed on Jan 14 2025

CodeHopper 8D

0 Answers Avg Quality 2/10

Value Change Listener to JTextField

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Value Change Listener to JTextField

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set default editor to nvim

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