JDBC Prepared Statement In Java Example

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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JavaJDBCPreparedStatement {
	
	public static void main(String a[]){
        
        Connection connection = null;
        PreparedStatement preparedStatement = null;
        try {
            Class.forName("oracle.jdbc.driver.OracleDriver");
            connection = DriverManager.
                getConnection("jdbc:oracle:thin:@<hostname>:<port num>:<DB name>"
                    ,"user","password");
            String query = "insert into emp(name,salary) values(?,?)";
            preparedStatement = connection.prepareStatement(query);
            preparedStatement.setString(1, "John");
            preparedStatement.setInt(2, 10000);

            int count = preparedStatement.executeUpdate();
            //Run the same query with different values
            preparedStatement.setString(1, "Cric");
            preparedStatement.setInt(2, 5000);
            count = preparedStatement.executeUpdate();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally{
            try{
                if(preparedStatement != null) preparedStatement.close();
                if(connection != null) connection.close();
            } catch(Exception ex){}
        }
    }
}
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