How to make editable list

Question

How to use where check in list

C# Corner Support · Answer

It seems like you are looking to create an editable list in Java. To achieve this functionality you can utilize various Java classes and interfaces. One common approach is to use a `JList` in combination with a `DefaultListModel` in Swing programming to create a list that is editable. Here's a simplified example demonstrating how you can create an editable list using Java Swing: import javax.swing.*; import java.awt.*; public class EditableListExample { public static void main(String[] args) { JFrame frame = new JFrame(Editable List Example); DefaultListModel model = new DefaultListModel (); model.addElement(Item 1); model.addElement(Item 2); model.addElement(Item 3); JList list = new JList (model); list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); list.setCellRenderer(new DefaultListCellRenderer() { @Override public Component getListCellRendererComponent(JList list Object value int index boolean isSelected boolean cellHasFocus) { JTextField textField = new JTextField(value.toString()); if (isSelected) { textField.setBackground(list.getSelectionBackground()); textField.setForeground(list.getSelectionForeground()); } else { textField.setBackground(list.getBackground()); textField.setForeground(list.getForeground()); } return textField; } }); JScrollPane scrollPane = new JScrollPane(list); frame.add(scrollPane); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); } } In this example we create a `JFrame` that contains a `JList` with editable cells. We customize the cell renderer to display `JTextField` for each cell to enable editing. You can further enhance this example by adding functionality to update the list items on user input or selection change events. Remember this is a basic illustration and you can modify and expand it according to your specific requirements. Feel free to adapt and expand upon this example to meet your specific needs. Let me know if you have any additional questions or need further clarification!