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Published on 03-May-2019 07:52:16
Here, we are creating soft beven border on JComboBox:JComboBox comboBox = new JComboBox(list);Now, set bevel border:comboBox.setBorder(new SoftBevelBorder(BevelBorder.LOWERED));The following is an example to use soft bevel border in Swing:Exampleimport java.awt.Font; import java.awt.GridBagLayout; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.BevelBorder; import javax.swing.border.SoftBevelBorder; public class SwingDemo { static final String list[] ... Read More
Published on 03-May-2019 07:47:09
Llet us first create a JPanel and set titled border:JPanel panel = new JPanel(); panel.setBorder(BorderFactory.createTitledBorder("Demo Panel"));Now to create Empty Border:JPanel panel2 = new JPanel(new BorderLayout()); panel2.add(panel, BorderLayout.CENTER); panel2.setBorder(BorderFactory.createEmptyBorder(100, 100, 100, 100));The following is an example to leave space with EmptyBorder in Java Swing:Exampleimport java.awt.BorderLayout; import java.awt.Dimension; import javax.swing.BorderFactory; import javax.swing.JFrame; ... Read More
Published on 02-May-2019 07:50:40
Let’s first create a List string:List<String> list = Arrays.asList("David", "Tom", "Ken", "Yuvraj", "Gayle");Now transform the above list to upper case:list.stream().map(players -> players.toUpperCase())To display, use forEach():list.stream().map(players -> players.toUpperCase()) .forEach(players -> System.out.print(players + ""));The following is an example to transform List string to upper case:Exampleimport java.util.Arrays; import java.util.List; public class Demo { ... Read More
Published on 02-May-2019 07:48:43
Modeless dialog boxes are on the screen and are available for use. The following is an example to set JDialog with Modality type MODELESS:Exampleimport java.awt.Cursor; import java.awt.Dialog.ModalityType; import java.awt.Dimension; import java.awt.event.ActionEvent; import javax.swing.AbstractAction; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFrame; public class SwingDemo { public static void main(String[] args) { ... Read More
Published on 02-May-2019 07:44:16
Declare and initialize an Integer array:Integer[] arr = {50, 100, 150, 200, 300, 400, 500, 600, 700, 800, 1000};Now, create a stream with the above elements:Stream<Integer> stream = Arrays.stream(arr);To convert the above stream to list, use Collectors.toList():stream.collect(Collectors.toList()The following is an example to convert Stream to List:Exampleimport java.util.Arrays; import java.util.stream.Collectors; import ... Read More
Published on 02-May-2019 07:42:15
Let us first create a List:List<Integer> list = Arrays.asList(25, 50, 100, 200, 250, 300, 400, 500);Now, create a stream from the List:Stream<Integer> stream = list.stream(); Arrays.toString(stream.toArray()));The following is an example to retrieve a Stream from a ListExampleimport java.util.Arrays; import java.util.List; import java.util.stream.Stream; public class Demo { public static void ... Read More
Published on 02-May-2019 07:31:50
Yes, we can do that using removeArrow() method.The following is an example to disable JComboBox arrow button:Exampleimport java.awt.Component; import java.awt.Container; import javax.swing.*; public class SwingDemo { public static void main(String[] args) { String[] strValues = {"One", "Two"}; JComboBox<String> comboBox = new JComboBox<String>(strValues); ... Read More
Published on 29-Apr-2019 11:49:48
To select a column that is also a keyword in MySQL, you need to use backticks around the column name. As you know select is a keyword in MySQL, consider column name as select when creating a new table.Let us create a table:mysql> create table DemoTable (`select` varchar(100)); Query OK, ... Read More
Published on 29-Apr-2019 11:47:00
To create a tab delimited select statement, you can use CONCAT() function from MySQL. Following is the syntax:select concat(yourColumnName1, "\t", yourColumnName2) AS anyAliasName from yourTableName;Let us first create a table:mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FirstName varchar(20), LastName varchar(20) ); Query ... Read More
Published on 29-Apr-2019 11:44:29
To perform custom sort by field value in MySQL, use the FIELD() method in ORDER BY. Let us first create a table:mysql> create table DemoTable (StudentId int); Query OK, 0 rows affected (0.58 sec)Following is the query to insert some records in the table using insert command:mysql> insert into DemoTable ... Read More
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