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NPTEL - Programming in Java - Week 11 : Programming Assignments Answers- 2025

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☞ Programming in Java
NPTEL Week 11 : Programming Assignments Answers- 2025

Week 11 : Programming Assignments - NPTEL >> Programming In Java - 2025

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Week 11 : Programming Assignment 1

Solution :

  import java.util.Scanner;

		// Answer
		import java.sql.*;
		//End
		

	public class W11_P1 {
    public static void main(String args[]) {
        try {
            Connection conn = null;
            Statement stmt = null;
            String DB_URL = "jdbc:sqlite:/tempfs/db";
            System.setProperty("org.sqlite.tmpdir", "/tempfs");
			~~~THERE IS SOME INVISIBLE CODE HERE~~~
			} catch (Exception e) {
            System.out.println(e);
        }
    }
}

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Week 11 : Programming Assignment 2

Solution :

  import java.sql.*;
import java.util.Scanner;
public class W11_P2 {
    public static void main(String args[]) {
        try {
              Connection conn = null;
              Statement stmt = null;
              String DB_URL = "jdbc:sqlite:/tempfs/db";
              System.setProperty("org.sqlite.tmpdir", "/tempfs");

		// Answer
		// Open a connection and check connection status
			conn = DriverManager.getConnection(DB_URL);
            System.out.print(conn.isValid(1));
		//End
		

		~~~THERE IS SOME INVISIBLE CODE HERE~~~
			conn.close();
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}

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Week 11 : Programming Assignment 3

Solution :

		// Answer
		import java.sql.*;
import java.util.Scanner;

public class W11_P3 {
    public static void main(String args[]) {
        try {
              Connection conn = null;
              Statement stmt = null;
              String DB_URL = "jdbc:sqlite:/tempfs/db";
              System.setProperty("org.sqlite.tmpdir", "/tempfs");
          		conn = DriverManager.getConnection(DB_URL);
              conn.close();
              System.out.print(conn.isClosed());
		//End
		

		~~~THERE IS SOME INVISIBLE CODE HERE~~~
			} catch (Exception e) {
            System.out.println(e);
        }
    }
}

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Week 11 : Programming Assignment 4

Solution :

  ~~~THERE IS SOME INVISIBLE CODE HERE~~~

		// Answer
		// The statement containing SQL command to create table "STUDENTS"
String createTableSQL = "CREATE TABLE STUDENTS (UID INT, Name VARCHAR(45), Roll VARCHAR(12), Age INT)";

// Execute the statement containing SQL command below this comment!
stmt.executeUpdate(createTableSQL);

		//End
		

		~~~THERE IS SOME INVISIBLE CODE HERE~~~
		}
       catch(Exception e){ System.out.println(e);}  
    }
}

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Week 11 : Programming Assignment 5

Solution :

 import java.sql.*;
import java.lang.*;
public class W11_P5 {
    public static void main(String args[]) {
        try {
              Connection conn = null;
              Statement stmt = null;
              String DB_URL = "jdbc:sqlite:/tempfs/db";
              System.setProperty("org.sqlite.tmpdir", "/tempfs");
              // Open a connection
              conn = DriverManager.getConnection(DB_URL);
              stmt = conn.createStatement();
  ~~~THERE IS SOME INVISIBLE CODE HERE~~~

		// Answer
		// Write the SQL command to rename a table
    String renameSQL = "ALTER TABLE STUDENTS RENAME TO GRADUATES";
    
    // Execute the SQL command
    stmt.executeUpdate(renameSQL);

		//End
		

		~~~THERE IS SOME INVISIBLE CODE HERE~~~
		}   catch(Exception e){ System.out.println(e);}  
    }
}

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