Object Oriented Programming Articles

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How to create a Box to display components from left to right in Java

George John
George John
Updated on 30-Jul-2019 540 Views

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 ...

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Disable auto resizing to make the JTable horizontal scrollable in Java

Ankith Reddy
Ankith Reddy
Updated on 30-Jul-2019 891 Views

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", ...

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How to disable only the horizontal scrollbar in Java?

Ankith Reddy
Ankith Reddy
Updated on 30-Jul-2019 1K+ Views

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 ...

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How to add some rows to a table through DefaultTableModel in Java

Arjun Thakur
Arjun Thakur
Updated on 30-Jul-2019 767 Views

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(); ...

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How to set all the Arrow Buttons in a frame with Java?

Anvi Jain
Anvi Jain
Updated on 30-Jul-2019 381 Views

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");     ...

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How to work with border layout position options in Java?

Nishtha Thakur
Nishtha Thakur
Updated on 30-Jul-2019 374 Views

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"));     ...

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How to create vertical button column with GridLayout in Java?

Smita Kapse
Smita Kapse
Updated on 30-Jul-2019 2K+ Views

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 ...

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How to display labels in the form of a 4 column table with GridLayout in Java?

Anvi Jain
Anvi Jain
Updated on 30-Jul-2019 979 Views

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

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How to display JTextArea in the form of a table with GridLayout in Java?

Smita Kapse
Smita Kapse
Updated on 30-Jul-2019 832 Views

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

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How to center align component using BoxLayout with Java?

Nishtha Thakur
Nishtha Thakur
Updated on 30-Jul-2019 7K+ Views

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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