Java

Here’s a sample code snippet that demonstrates how to update data in a SQL database using Java and JDBC (Java Database Connectivity): import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; public class SQLDataUpdater { public static void main(String[] args) { // Database credentials String url…

Here’s a sample code snippet that demonstrates how to write data to a SQL database using Java and JDBC (Java Database Connectivity): import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; public class SQLDataWriter { public static void main(String[] args) { // Database credentials String url…

Here’s a sample code snippet that demonstrates how to read data from a SQL database using Java and JDBC (Java Database Connectivity): import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class SQLDataReader { public static void main(String[] args) { // Database credentials…

Here’s a sample code snippet that demonstrates how to delete data from a MySQL database using Java and JDBC (Java Database Connectivity): import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; public class MySQLDataDeleter { public static void main(String[] args) { // Database credentials String url…

Here’s a sample code snippet that demonstrates how to update data in a MySQL database using Java and JDBC (Java Database Connectivity): import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; public class MySQLDataUpdater { public static void main(String[] args) { // Database credentials String url…

Here’s a sample code snippet that demonstrates how to write data to a MySQL database using Java and JDBC (Java Database Connectivity): import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; public class MySQLDataWriter { public static void main(String[] args) { // Database credentials String url…

Here’s a sample code snippet that demonstrates how to read data from a MySQL database using Java and JDBC (Java Database Connectivity: import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class MySQLDataReader { public static void main(String[] args) { // Database credentials…

In this example, we first load the Excel file called “example.xlsx” using the File class. Then we create a Workbook object using the create method of the WorkbookFactory class. We select the first sheet in the workbook using the getSheetAt method of the Workbook class.…