To disable the close button, let us first create a frame −JFrame frame = new JFrame("Login!");Use the setDefaultCloseOperation() to set the status of the close button. Set it to DO_NOTHING_ON_CLOSE to disable it −frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);The following is an example to disable close button on a JFrame in Java −Examplepackage my; import ... Read More

The strokeRect() method of the HTML canvas is used to create a rectangle on a web page. The element allows you to draw graphics on a web page using JavaScript. Every canvas has two elements that describes the height and width of the canvas i.e. height and width respectively.Following ... Read More

To remove last char if it is a specific character then use SUBSTRING(). Let us first create a table −mysql> create table DemoTable    (    SubjectName varchar(100)    ); Query OK, 0 rows affected (0.47 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('MySQL'); ... Read More

To separate components in a row or column, use the createGlue() method. This creates an invisible "glue" component that separates components.The following is an example to separate components in a row or column with Box −Examplepackage my; import java.awt.BorderLayout; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JScrollPane; public ... Read More

The value attribute of the element is used to set the value of the list item. Since the value is a number, it would be set only for the ol element in HTML i.e. the ordered list.Following is the syntax −Above, num is the value of the list item ... Read More

The word order is a reserved order in MySQL and you have used it in the query. To get rid of the syntax error, you need to use backticks(` `) around the order.The correct syntax is as follows −select *from yourTableName ORDER BY `order` DESC;Let us first create a table ... Read More

The content attribute of the element is used to set the meta information in an HTML document. This can be the information for the description or the keywords, for name attribute.Following is the syntax:Above, the text is the meta information.Let us now see an example to implement the content ... Read More

While creating a GridLayout, you need to set the rows and columns as parenthesis. A GridLayout is used to create a layout the specified number of rows and columns.Let’s say we have a GridLayout, with 1 row and 4 columns −GridLayout layout = new GridLayout(1, 4);The following is an example ... Read More

Customize the layout by changing the look and feel of the panel in which you added the component −ImageIcon icon = new ImageIcon(new URL("http −//www.tutorialspoint.com/images/C-PLUS.png")); JLabel label = new JLabel(icon); JPanel panel = new JPanel(new GridBagLayout()); panel.add(label); panel.setOpaque(true); panel.setBackground(Color.ORANGE);Above, we have added an image and even updated the background color ... Read More