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Object Oriented Programming Articles
Page 537 of 589
How to create a JSpinner in Java with values as numbers?
Use SpinnerNumberModel to create a spinner with value as numbers −SpinnerModel value = new SpinnerNumberModel(10, 0, 20, 1);Now set the values −JSpinner spinner = new JSpinner(value);The following is an example to create a JSpinner with values as numbers −Examplepackage my; import java.awt.Font; import javax.swing.*; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame("Spinner Demo"); SpinnerModel value = new SpinnerNumberModel(10, 0, 20, 1); JSpinner spinner = new JSpinner(value); spinner.setBounds(50, 80, 70, 100); frame.add(spinner); frame.setSize(550,300); frame.setLayout(null); frame.setVisible(true); } }This will produce the following output −
Read MoreHow to create a horizontal slider with custom min, max, and initial value in Java
While creating horizontal slider, we can set custom values as well. Let us take three integer variable and set the int values for min, max as well as the initial value of the slider −int val = 75; int min = 0; int max = 100;Set it to the slider while creating a new slider. Here, we have set the constant to be HORIZONTAL, since we are creating a horizontal slider −JSlider slider = new JSlider(JSlider.HORIZONTAL, min, max, val);The following is an example to create a horizontal slider with custom min, max and initial value −Examplepackage my; import java.awt.Color; import ...
Read MoreCreate a vertical slider with custom min, max, and initial value in Java
While creating vertical slider, we can set custom values as well. Let us take three integer variable and set the int values for min, max as well as the initial value of the slider −int val = 50; int min = 0; int max = 100;Set it to the slider while creating a new slider. Here, we have set the constant to be VERTICAL, since we are creating a vertical slider −JSlider slider = new JSlider(JSlider.VERTICAL, min, max, val);The following is an example to create a vertical slider with custom values −Examplepackage my; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import ...
Read MoreHow to display a large component within a smaller display area in Java?
To display a large component in a smaller display area, use JScrollPane, so that it’s easier for user to scroll through the component. The following is an example to display large component within a smaller display area in Java −Examplepackage my; import java.awt.BorderLayout; import java.awt.Dimension; import javax.swing.Box; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JScrollPane; public class SwingDemo { public static void main(String args[]) { JFrame frame = new JFrame("Demo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JButton button1 = new JButton("One"); JButton button2 = new JButton("Two"); JButton button3 = new JButton("Three"); ...
Read MoreDisplay only the horizontal scrollbar in Java
To display only the horizontal scrollbar, use the VERTICAL_SCROLLBAR_NEVER constant, which eventually displays only the horizontal scrollbar.The following is an example to display only the horizontal scrollbar in Java −Examplepackage my; import java.awt.BorderLayout; import java.awt.Dimension; import javax.swing.Box; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JScrollPane; public class SwingDemo { public static void main(String args[]) { JFrame frame = new JFrame("Demo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JButton button1 = new JButton("Online Compiler"); JButton button2 = new JButton("Quiz"); JButton button3 = new JButton("Questions and Answers"); JButton button4 = new ...
Read MoreHow to set Raised and Lowered EtchedBorder for components in Java?
To set raised EtchedBorder −Border raisedBorder = new EtchedBorder(EtchedBorder.RAISED);To set lowered EtchedBorder −Border loweredBorderEtched = new EtchedBorder(EtchedBorder.LOWERED);Now, set both the borders for components −JButton raisedButton = new JButton("Raised Border"); raisedButton.setBorder(raisedBorder); JLabel loweredLabel = new JLabel("Lowered Border Etched"); loweredLabel.setBorder(loweredBorderEtched);The following is an example to set raised and lowered EtchedBorder for components −Examplepackage my; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.border.Border; import javax.swing.border.EmptyBorder; import javax.swing.border.SoftBevelBorder; import javax.swing.border.EtchedBorder; public class SwingDemo { public static void main(String args[]) { JFrame frame = new JFrame("Demo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); ...
Read MoreHow to set orientation and split components along x-axis in Java?
Let us first create components to split. Here. We have two labels −JComponent one = new JLabel("Label One"); one.setBorder(BorderFactory.createLineBorder(Color.red)); JComponent two = new JLabel("Label Two"); two.setBorder(BorderFactory.createLineBorder(Color.blue));Now, set orientation and split along x-axis with HORIZONTAL_SPLIT −JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT); split.setLeftComponent(one); split.setRightComponent(two);The following is an example to set orientation and split components along x-axis in Java −Examplepackage my; import java.awt.BorderLayout; import java.awt.Color; import javax.swing.BorderFactory; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JSplitPane; public class SwingDemo { public static void main(String[] a) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JComponent one = ...
Read MoreHow to add JTable to Panel in Java Swing?
To add JTabel to Panel, let us first crerate a panel −JPanel panel = new JPanel();Now, create JTable and add rows and columns with the records −String[][] rec = { { "1", "Steve", "AUS" }, { "2", "Virat", "IND" }, { "3", "Kane", "NZ" }, { "4", "David", "AUS" }, { "5", "Ben", "ENG" }, { "6", "Eion", "ENG" }, }; String[] header = { "Rank", "Player", "Country" }; JTable table = new JTable(rec, header);Add the above created table to panel −panel.add(new JScrollPane(table));The following is an example to add JTabel to Panel in Java ...
Read MoreJava Program to select all cells in a table
To select all cells in a table in Java Swing, you need to use the selectAll() method. Let’s say the following are our table rows and columns −String[][] rec = { { "001", "Shirts", "40" }, { "002", "Trousers", "250" }, { "003", "Jeans", "25" }, { "004", "Applicances", "90" }, { "005", "Mobile Phones", "200" }, { "006", "Hard Disk", "150" }, }; String[] header = { "ID", "Product", "Quantity" };Set it for a table −JTable table = new JTable(rec, header);Now select all the rows and columns −table.selectAll();The following is an example to ...
Read MoreHow to create JTable from two dimensional array in Java?
With two dimensional array, set the columns of a table. Additionally, we have set the rows using a one-dimensional array as shown below −DefaultTableModel tableModel = new DefaultTableModel(new Object[][] { { "Mobile Phones", "100" }, { "RAM", "200" }, { "Caps", "50" }, { "Tablet", "80" }, { "LED", "400" }, { "Trousers", "350" }, { "T-Shirt", "500" }, { "Hoodie", "650" }, { "Jeans", "900" } }, new Object[] { "Items", "Quantity" } );Now set the table model to the table −JTable table = new JTable(tableModel);The following is an example to create a table from ...
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