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Database program

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 import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class DatabaseProgram {     private static final String URL = "jdbc:mysql://localhost:3306/testdb";     private static final String USER = "root"; // Your MySQL username     private static final String PASSWORD = "password"; // Your MySQL password     public static void main(String[] args) {         Connection connection = null;         try {             // Load the JDBC driver (MySQL)             Class.forName("com.mysql.cj.jdbc.Driver");             // Establish the connection             connection = DriverManager.getConnection(URL, USER, PASSWORD);             System.ou...
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Mathavan.R, P23CS386

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 import java.io.*; import java.nio.file.*; import java.util.List; import java.util.stream.Collectors; public class AFO{     // Read file content     public static void readFile(String filePath) throws IOException {         List<String> lines = Files.readAllLines(Paths.get(filePath));         for (String line : lines) {             System.out.println(line);         }     }     // Write content to a file     public static void writeFile(String filePath, String content) throws IOException {         Files.write(Paths.get(filePath), content.getBytes(), StandardOpenOption.CREATE, StandardOpenOption.APPEND);     }     // Copy a file     public static void copyFile(String sourcePath, String destinationPath) throws IOException {         Files.copy(Paths.get(sourcePath), Paths.ge...
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MATHAVAN. R

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  NAME : R.Mathavan REG NO :P23CS386 D.O.B:12.05.2003 BLOOD GROUP: A+ve COLLEGE: Government Arts College (Autonomous)                      Kumbakonam  COURSE: M.sc Computer Science  FATHER NAME: G.Ramadoss MOTHER NAME: R.Manimekalai  OCCUPATION: Cooli ANNUAL INCOME: 48,000 HOBBIES: Gym,Book Reading, Paper Reading  EXTRA CURRICULAR ACTIVITIES: Dance,Singing ADDRESS: No.6,Periyar Nagar,Ramanujapuram,                     Sholapuram (PO),Kumbakonam (TK),                    Thanjavur (DT),612503
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Product calculation

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 import java.util.InputMismatchException; import java.util.Scanner; public class ProductCalculation {     public static void main(String[] args) {         Scanner scanner = new Scanner(System.in);                  try {             // Input product details             System.out.print("P. Name: ");             String productName = scanner.nextLine();                          System.out.print("Quantity: ");             int quantity = scanner.nextInt();                          System.out.print("Price: ");             double price = scanner.nextDouble();                       ...
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