How retrieve data from JTable in NetBeans?

Display Records From Database Using JTable in Java

  2. emp.sql.
  3. Open the NetBeans IDE.
  4. Choose “Java” -> “Java Application” as in the following.
  5. Now type your project name as “JTableApp” as in the following.
  6. Now create a new Java Class with the name “DisplayEmpData” and provide the following code for it.

How is JTable created in Java?

JTable(): A table is created with empty cells. JTable(int rows, int cols): Creates a table of size rows * cols. JTable(Object[][] data, Object []Column): A table is created with the specified name where []Column defines the column names.

How do I make a JTable not editable in NetBeans?

You can use a TableModel . Then use the setModel() method of your JTable . You can’t have a public void method return a boolean. While the approach you specify works, there is no such method as isEditable in the AbstractTableModel.

What is the use of JTable?

The JTable is used to display and edit regular two-dimensional tables of cells. See How to Use Tables in The Java Tutorial for task-oriented documentation and examples of using JTable .

How do I add data to an ArrayList from a database?

So to use these you might have something like this when it comes to populating an ArrayList from a database:

  1. try(Connection connection = JDBC. getConnection()) {
  2. // Prepare SQL.
  3. String query = (“SELECT * ” +
  4. “FROM Person”);
  5. // Set prepared statement.
  6. PreparedStatement ps = connection.
  7. // Execute SQL.
  8. ResultSet rs = ps.

Is JTable editable by default?

The isCellEditable() method of JTable (or the TableModel) controls whether a cell is editable or not. By default it just return “true”. So you can override the method to return a boolean value that is set by your “Modify” button.