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Object Oriented Programming Articles
Page 538 of 589
How to create a Box to display components from left to right in Java
Box is lightweight container that uses a BoxLayout object as its layout manager. To display components from left to right, use Box createHorizontalBox() method.Let us first create some button components −JButton button1 = new JButton("One"); JButton button2 = new JButton("Two"); JButton button3 = new JButton("Three"); JButton button4 = new JButton("Four"); JButton button5 = new JButton("Five"); JButton button6 = new JButton("Six");Now, crate a Box and align all the buttons from left to right −Box box = Box.createHorizontalBox(); box.add(button1); box.add(button2); box.add(button3); box.add(button4); box.add(button5); box.add(button6);The following is an example to create a Box to display components from left to right −Examplepackage my; import ...
Read MoreDisable auto resizing to make the JTable horizontal scrollable in Java
To disable auto resizing, you need to use the setAutoResizeMode() method. After that, set the table to AUTO_RESIZE_OFF.Let’s say the following is our table −String[][] rec = { { "1", "Virat", "840" }, { "2", "David", "835" }, { "3", "Shikhar", "656" }, { "4", "Steve", "530" }, { "5", "Kane", "515" }, { "6", "Eion", "509" }, { "7", "AB de Villiers", "498" }, { "8", "Quinton", "470" }, { "9", "Glenn", "410" }, { "10", "Tom", "360" }, { "11", "Johnny", "320" }, { "12", "Shreyas", ...
Read MoreHow to disable only the horizontal scrollbar in Java?
To disable only the horizontal scrollbar in Java, use the JScrollPane.HORIZONTAL_SCROLLBAR_NEVER. Let’s say you created a Box with some button components. Now, create a JScrollPane −JScrollPane scrollPane = new JScrollPane();Set the Viewport view as Box −scrollPane.setViewportView(box);Now, disable the horizontal scrollbar −scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);The following is an example to disable only the horizontal scrollbar −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("Tutorials"); JButton ...
Read MoreHow to add some rows to a table through DefaultTableModel in Java
Let us first create a demo table −JTable table = new JTable(tableModel);Now, add a column to it −tableModel.addColumn("Languages");Add some rows to the table using insertRow() method −tableModel.insertRow(0, new Object[] { "CSS" }); tableModel.insertRow(0, new Object[] { "HTML5" }); tableModel.insertRow(0, new Object[] { "JavaScript" }); tableModel.insertRow(0, new Object[] { "jQuery" }); tableModel.insertRow(0, new Object[] { "AngularJS" });The following is an example to add a row to a table with DefaultTableModel −Examplepackage my; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; public class SwingDemo { public static void main(String[] argv) throws Exception { DefaultTableModel tableModel = new DefaultTableModel(); ...
Read MoreHow to set all the Arrow Buttons in a frame with Java?
To set arrow buttons in a frame, let us first create a frame −JFrame frame = new JFrame();Now, set the layout for the frame wherein all the arrow buttons would be displayed −frame.setLayout(new GridLayout(0, 5));Set the arrow buttons for all the locations −frame.add(new BasicArrowButton(BasicArrowButton.EAST)); frame.add(new BasicArrowButton(BasicArrowButton.NORTH)); frame.add(new BasicArrowButton(BasicArrowButton.SOUTH)); frame.add(new BasicArrowButton(BasicArrowButton.WEST));The following is an example to set all the arrow buttons in a frame −Examplepackage my; import java.awt.GridLayout; import javax.swing.Box; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.plaf.basic.BasicArrowButton; public class SwingDemo { public static void main(String[] args) { JButton button1 = new JButton("One"); ...
Read MoreHow to work with border layout position options in Java?
Let us see some examples to work with different border layout position options such as PAGE_START, PAGE_END, etc.The following is an example of BorderLayout.PAGE_START option −Examplepackage my; import java.awt.BorderLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextArea; import javax.swing.JToolBar; public class SwingDemo { public static void main(String[] args) { JPanel panel = new JPanel(new BorderLayout()); JToolBar toolbar = new JToolBar(); panel.add(toolbar, BorderLayout.PAGE_START); toolbar.add(new JTextArea(" Add name here")); toolbar.add(new JButton("Submit Name")); toolbar.addSeparator(); toolbar.add(new JTextArea(" Add age here")); ...
Read MoreHow to create vertical button column with GridLayout in Java?
To create a vertical button column, let us first create some buttons and set the layout as well −JPanel btnPanel = new JPanel(new GridLayout(10, 1, 10, 5)); btnPanel.add(new JButton("First Button")); btnPanel.add(new JButton("Second Button")); btnPanel.add(new JButton("Third Button")); btnPanel.add(new JButton("Fourth Button")); btnPanel.add(new JButton("Fifth Button")); btnPanel.add(new JButton("Sixth Button")); btnPanel.add(new JButton("Seventh Button")); btnPanel.add(new JButton("Eighth Button"));Above, we have set the GridLayout to create rows and columns with vertical and horizontal gap.The following is an example to create vertical button column with GridLayout −Examplepackage my; import java.awt.BorderLayout; import java.awt.GridBagLayout; import java.awt.GridLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; public class SwingDemo { public static ...
Read MoreHow to display labels in the form of a 4 column table with GridLayout in Java?
We will displays labels in a label with 5 rows and 4 columns using GridLayout −JPanel panel = new JPanel(new GridLayout(5, 4, 10, 10));Use a for loop and loop through 1 to 20 to display 20 labels −for (int i = 1; i
Read MoreHow to display JTextArea in the form of a table with GridLayout in Java?
Display a component in the form of rows and columns using the GridLayout. Here, we have set a panel, within which we will create a layout with 3 rows and 5 columns −JPanel panel = new JPanel(new GridLayout(3, 5, 5, 5));Now, loop through and display JTextArea from 1 to 15 i.e. 3 rows and 5 columns −for (int i = 1; i
Read MoreHow to center align component using BoxLayout with Java?
Let us first create a panel and set some buttons −JPanel panel = new JPanel(); JButton btn1 = new JButton("One"); JButton btn2 = new JButton("Two"); JButton btn3 = new JButton("Three"); JButton btn4 = new JButton("Four"); JButton btn5 = new JButton("Five"); panel.add(btn1); panel.add(btn2); panel.add(btn3); panel.add(btn4); panel.add(btn5);Now, use the setAlignmentX() and within that specify alignment to the center of the component −panel.setAlignmentX(Component.CENTER_ALIGNMENT);The following is an example to center align component using BoxLayout −Examplepackage my; import java.awt.Component; import java.awt.Dimension; import javax.swing.BorderFactory; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class SwingDemo { public static void main(String[] args) { ...
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