Chandu yadav

Chandu yadav

810 Articles Published

Articles by Chandu yadav

Page 57 of 81

How to determine whether the JSlider is currently snapping to tick marks in Java?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 233 Views

At first, we will create a slider and set it to snap to tick marks:JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 100, 40); slider.setMinorTickSpacing(10); slider.setMajorTickSpacing(20); slider.setPaintTicks(true); slider.setPaintLabels(true); slider.setSnapToTicks(true);After that, we will check whether the slider is currently snapping to tick marks. The result would be displayed in the TRUE/FALSE booleanslider.getSnapToTicks()Display the result in the Console as shown below:System.out.println("Snapping to tick marks? = "+slider.getSnapToTicks());The following is an example to determine whether the slider is currently snapping to tick marks:Examplepackage my; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSlider; import javax.swing.WindowConstants; public class SwingDemo {    public static void main(String[] args) ...

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How to add new contacts in Android App?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 1K+ Views

This example demonstrate about How to add new contacts in Android App.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml             Step 3 − Add the following code to src/MainActivitypackage app.tutorialspoint.com.sample ; import android.app.Activity ; import android.content.Intent ; import android.os.Bundle ; import android.provider.ContactsContract ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; import android.widget.EditText ; import android.widget.Toast ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle ...

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How to set default font family for entire Android App?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 3K+ Views

This example demonstrate about How to set default font family for entire Android App.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.support.v7.app.AppCompatActivity ; import android.os.Bundle ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    } }Step 4 − ...

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How to define a MIN and MAX value for EditText in Android?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 3K+ Views

This example demonstrate about How to define a MIN and MAX value for EditText in Android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.java     Step 3 − Add the following code to src/MinMaxFilter.javapackage app.tutorialspoint.com.sample ; import android.text.InputFilter ; import android.text.Spanned ; public class MinMaxFilter implements InputFilter {    private int mIntMin , mIntMax ;    public MinMaxFilter ( int minValue , int maxValue) {       this . mIntMin = minValue ...

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How can I define underlined text in an Android layout xml file?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 2K+ Views

This example demonstrate about How can I define underlined text in an Android layout xml file.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.java     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.text.SpannableString ; import android.text.style.UnderlineSpan ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;   ...

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How to get the leaf after this node in a JTree component with Java?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 228 Views

Use the getNextLeaf() method to get the leaf after this node in a JTree. Here, we are displaying the leaf after node “three” in Console −System.out.println("Next leaf after this node = "+three.getNextLeaf());The following is an example to get the leaf node after this node in a JTree component −package my; import javax.swing.JFrame; import javax.swing.JTree; import javax.swing.tree.DefaultMutableTreeNode; public class SwingDemo {    public static void main(String[] args) throws Exception {       JFrame frame = new JFrame("Demo");       DefaultMutableTreeNode node = new DefaultMutableTreeNode("Products");       DefaultMutableTreeNode node1 = new DefaultMutableTreeNode("Clothing (Product1 - P66778)");       DefaultMutableTreeNode ...

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How do you fill in or pad a column with zeros using a MySQL query?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 572 Views

You can use ZEROFILL for column to fill in or pad with zeros. Let us first create a table−mysql> create table DemoTable    (    Number int    ); Query OK, 0 rows affected (0.58 sec)Following is the query to add zerofill attribute for Number column−mysql> alter table DemoTable change Number Number int(10) zerofill not null; Query OK, 0 rows affected (1.13 sec) Records: 0 Duplicates: 0 Warnings: 0Insert records in the table using insert command −mysql> insert into DemoTable values(1); Query OK, 1 row affected (0.23 sec) mysql> insert into DemoTable values(12); Query OK, 1 row affected (0.53 sec) ...

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How to limit the values in a Number JSpinner Component with Java?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 2K+ Views

To limit the values in a number JSpinner component, use the SpinnerNumberModel that allows to set the min, max, step size and even the initial value −value − current value of the model min − first number in the sequence max − last number in the sequence stepSize − difference between elements of the sequenceLet us set the above values −int min = 0; int max = 10; int step = 1; int i = 1; SpinnerModel value = new SpinnerNumberModel(i, min, max, step);Now, we will set these values to our JSpinner −JSpinner spinner = new JSpinner(value);The following is an ...

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What are the Selection Modes in a JTable with Java?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 1K+ Views

Selection modes sets the table's selection mode to allow only single selections, a single contiguous interval, or multiple intervals. Let us see the selection modes one by one −Single Selection modeThe following is an example of Single Selection mode for a JTable. It allows you to select one cell at a time −Examplepackage my; import java.awt.Color; import javax.swing.BorderFactory; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.ListSelectionModel; import javax.swing.border.TitledBorder; public class SwingDemo {    public static void main(String[] args) {       JFrame frame = new JFrame();       JPanel panel = new JPanel();       ...

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MySQL select to convert numbers to millions and billions format?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 2K+ Views

You can use FORMAT() from MySQL to convert numbers to millions and billions format. Let us first create a table−mysql> create table DemoTable    (    Value BIGINT    ); Query OK, 0 rows affected (0.74 sec)Insert records in the table using insert command −mysql> insert into DemoTable values(78000000000); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable values(10000000000); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable values(90000000000); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable values(450600000000); Query OK, 1 row affected (0.41 sec)Display all records from the table using select statement ...

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