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Articles by Anvi Jain
Page 27 of 43
Is it Possible to store and retrieve boolean values in a VARCHAR2 column in a table using JDBC?
Yes, in Oracle you can store and retrieve a boolean value into a table for a column with VARCHAR2 datatype.If you do so, the true and false values are stored as 1 and 0 and the retrieved as same (respectively).ExampleLet us create a table with name sampleTable in the Oracle database Using CREATE statement as −CREATE TABLE sampleTable( ID INT, ProductName VARCHAR (20) NOT NULL, CustomerName VARCHAR (20) NOT NULL, IsBillDue VARCHAR (20) NOT NULL, DeliveryDate date, Price INT, Location varchar(20) );The column IsBillDue specified whether bill paid.Following JDBC program establishes the connection ...
Read MoreHow to set the location of the Tabs in a JTabbedPane Container to the left in Java?
To set the location of the tabs in a JTabbedPane container, use the LEFT constant. Here, we will set the position to the left −JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.LEFT);The following is an example to set the location of the Tabs in a JTabbedPane Container to the left −Examplepackage my; import javax.swing.*; import java.awt.*; public class SwingDemo { public static void main(String args[]) { JFrame frame = new JFrame("Devices"); JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.LEFT); JTextArea text = new JTextArea(100, 100); JPanel panel1, panel2, panel3, panel4, panel5, panel6, panel7, ...
Read MoreHow to create a table with decimal values using JDBC?
An unpacked floating-point number that cannot be unsigned. In the unpacked decimals, each decimal corresponds to one byte. Defining the display length (M) and the number of decimals (D) is required. NUMERIC is a synonym for DECIMAL.To define a column with a decimal value as datatype follow the syntax given below −column_name DECIMAL(P, D);Where −P is the precision representing the number of digits (range 1 to 65)D is the scale representing the number of digits after the decimal point.Note − in MySQL D should be describe customers; +------------+---------------+------+-----+---------+-------+ | Field | Type | ...
Read MoreFesetround() and fegetround() in C++
Here we will see the fesetround() and fegetround() method in C++. These methods can be found in the cfenv library.The fesetround() method is used to set the specified floating point rounding direction to the current rounding direction. This is used with rint(), nearbyint() and some other rounding functions in C++.The syntax is like below −int fesetround(int round);The round can be among these FE_TONEAREST, FE_DOWNWARD, FE_UPWARD etc. This function returns 0 when rounding direction is successfully applied to the required manner.Example#include #include #include using namespace std; main() { double x = 4.7, ans; fesetround(FE_TONEAREST); //round to ...
Read MoreHow to clear an Android notification if activity crashes?
This example demonstrate about How to clear an Android notification if activity crashesStep 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.package app.tutorialspoint.com.notifyme ; import android.app.NotificationChannel ; import android.app.NotificationManager ; import android.app.PendingIntent ; import android.content.Intent ; import android.os.Bundle ; import android.support.v4.app.NotificationCompat ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; public class MainActivity extends AppCompatActivity { public static final String NOTIFICATION_CHANNEL_ID = "10001" ; private ...
Read MoreHow to implement expand and collapse notification in Android?
This example demonstrate about How to implement expand and collapse notification 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.xml. Step 3 − Add the following code to src/MainActivity.package app.tutorialspoint.com.notifyme ; import android.app.NotificationChannel ; import android.app.NotificationManager ; import android.os.Bundle ; import android.support.v4.app.NotificationCompat ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; public class MainActivity extends AppCompatActivity { public static final String NOTIFICATION_CHANNEL_ID = "10001" ; private final static String default_notification_channel_id = "default" ...
Read MoreInsert a tab after the first tab of a JTabbedPane container
We are inserting a tab just after the first tab by using the index value 1. Here, index 1 would be location 2nd i.e. just after the first tab of the JTabbedPane container.The following is an example to insert a tab after the first tab −Examplepackage my; import javax.swing.*; import java.awt.*; public class SwingDemo { public static void main(String args[]) { JFrame frame = new JFrame("Devices"); JTabbedPane tabbedPane = new JTabbedPane(); JTextArea text = new JTextArea(100, 100); JPanel panel1, panel2, panel3, panel4, panel5, panel6, panel7, panel8; ...
Read MoreAndroid NotificationBuilder Example
This example demonstrate about Android NotificationBuilder.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.package app.tutorialspoint.com.notifyme ; import android.app.NotificationChannel ; import android.app.NotificationManager ; import android.os.Bundle ; import android.support.v4.app.NotificationCompat ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; public class MainActivity extends AppCompatActivity { public static final String NOTIFICATION_CHANNEL_ID = "10001" ; private final static String default_notification_channel_id = "default" ; @Override protected void ...
Read MoreJDBC Class.forName vs DriverManager.registerDriver
To connect with a database using JDBC you need to select get the driver for the respective database and register the driver. You can register a database driver in two ways −Using Class.forName() method − The forName() method of the class named Class accepts a class name as a String parameter and loads it into the memory, Soon the is loaded into the memory it gets registered automatically.Class.forName("com.mysql.jdbc.Driver");ExampleFollowing JDBC program establishes connection with MySQL database. Here, we are trying to register the MySQL driver using the forName() method.import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class RegisterDriverExample { public static ...
Read MoreHow to send parameters from a notification-click to an Android activity?
This example demonstrate about How to send parameters from a notification-click to an Android activity.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.notifyme ; import android.app.NotificationChannel ; import android.app.NotificationManager ; import android.app.PendingIntent ; import android.content.Context ; import android.content.Intent ; import android.os.Bundle ; import android.support.v4.app.NotificationCompat ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity { ...
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