IT TIME PASS

Write a program in java to demonstrate remove duplication from ArrayList to TreeSet?

IT Time Pass — Wed, 15 Aug 2018 14:54:56 +0000

import java.util.*;

public class ListAdd

{

      public static void main(String arg[])

      {

            Scanner in=new Scanner(System.in);

            ArrayList ls=new ArrayList();

            TreeSet set=new TreeSet();

            ls.add("Vikrant");

            ls.add("Manish");

            ls.add("Suraj");

            ls.add(3,"Amit");

            ls.add("Manish");

            ls.add("Kanir");

            set.addAll(ls);

            System.out.println("Total Number of Elements is "+ls.size());

            Iterator l=ls.iterator();

            while(l.hasNext())

                  System.out.println(l.next());

            System.out.println("Total Number of Elements is "+set.size());

            Iterator s=set.iterator();

            while(s.hasNext())

                  System.out.println(s.next());

      }

}

Write a program in java to demonstrate HashSet?

IT Time Pass — Wed, 01 Aug 2018 14:52:40 +0000

import java.util.*;

public class ListHashSet

{

      public static void main(String arg[])

      {

            HashSet ListTreeSet=new HashSet();

            System.out.println("Adding Kundan First Time "+ListTreeSet.add("Kundan"));

            ListTreeSet.add("Suraj");

            ListTreeSet.add("Manish");

            ListTreeSet.add("Ankit");

            System.out.println("Adding Kundan Second Time "+ListTreeSet.add("Kundan"));

            System.out.println("Total Number In ListTreeSet "+ListTreeSet.size());

            Iterator itr=ListTreeSet.iterator();

            while(itr.hasNext())

                  System.out.println(itr.next());

      }

}

Write a program in java to demonstrate TreeSet?

IT Time Pass — Sun, 15 Jul 2018 14:50:55 +0000

import java.util.*;

public class ListTreeSet

{

      public static void main(String arg[])

      {

            TreeSet ListTreeSet=new TreeSet();

            System.out.println("Adding Kundan First Time "+ListTreeSet.add("Kundan"));

            ListTreeSet.add("Suraj");

            ListTreeSet.add("Manish");

            ListTreeSet.add("Ankit");

            System.out.println("Adding Kundan Second Time "+ListTreeSet.add("Kundan"));

            System.out.println("Total Number In ListTreeSet "+ListTreeSet.size());

            Iterator itr=ListTreeSet.iterator();

            while(itr.hasNext())

                  System.out.println(itr.next());

      }

}

Write a program in java to demonstrate JDBC?

IT Time Pass — Sun, 01 Jul 2018 14:47:47 +0000

//    set classpath=C:oraclexeapporacleproduct10.2.0serverjdbclibojdbc14.jar

//    set path=C:Program Files (x86)Javajdk1.7.0bin

import java.sql.*;

class JavaDataBase

{

      public static void main(String arg[])

      {

            try

            {

                  Class.forName("oracle.jdbc.driver.OracleDriver");

                  Connection con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","system","oracle");

                  Statement stmt=con.createStatement();

                  ResultSet rst=stmt.executeQuery("select * from emp");

                  System.out.println("nID" +"t"+ "Name" +"tt"+ "Degree" +"t"+ "Salaryn");

                  while(rst.next())

                        System.out.println(rst.getInt(1) +"t"+ rst.getString(2) +"t"+ rst.getString(3) +"t"+ rst.getInt(4));

                  con.close();

            }

            catch(Exception e)

            {

                  System.out.println(e);

            }

      }

}

Write a program in java to prevent duplication from list?

IT Time Pass — Fri, 15 Jun 2018 14:43:11 +0000

import java.util.*;

public class List

{

      public static void main(String arg[])

      {

            Scanner in=new Scanner(System.in);

            ArrayList ls=new ArrayList();

            int i=0;

            while(i<5)

            {

                  System.out.print("Enter Name - ");

                  String s=in.nextLine();

                  if(true==ls.contains(s))

                  {

                        System.out.println("ntThis Name is Abailable in Data File, Try Another Namen");

                        continue;

                  }

                  else

                  {

                        ls.add(s);

                  }

                  i++;

            }

            System.out.println("nTotal Number of elements is "+ls.size());

            Iterator itr=ls.iterator();

            while(itr.hasNext())

            {

                  System.out.println("t"+itr.next());

            }

      }

}

Write a program in java to demonstrate List Iterator?

IT Time Pass — Fri, 01 Jun 2018 14:38:47 +0000

import java.util.*;

public class CollectionList

{

      public static void main(String arg[])

      {

            ArrayList ls=new ArrayList();

            ls.add("Vikrant");

            ls.add("Sunny");

            ls.add("Kanir");

            ls.add(1,"Abhinandan");

            ls.add("Kundan");

            System.out.println("Total Number of elements is "+ls.size());

            System.out.println(ls.contains("Sunny"));

            System.out.println(ls.contains("Vikash"));

            Iterator itr=ls.iterator();

            while(itr.hasNext())

            {

                  System.out.println("t"+itr.next());

            }

            ls.remove("Kanir");

            System.out.println("Total Number of elements is "+ls.size());

            ListIterator it=ls.listIterator(ls.size());

            while(it.hasPrevious())

            {

                  System.out.println("t"+it.previous());

            }

      }

}

Write a program in java to send the message client to server?

IT Time Pass — Tue, 10 Apr 2018 12:00:37 +0000

Server

import java.io.*;

import java.net.*;

public class Server

{

      public static void main(String arg[])

      {

            try

            {

                  System.out.println("Running Server");

                  ServerSocket ss=new ServerSocket(7777);

                  Socket s=ss.accept();

                  DataInputStream dis=new DataInputStream(s.getInputStream());

                  String str=(String)dis.readUTF();

                  System.out.println("Message = "+str);

                  ss.close();

            }

            catch(Exception e)

            {

                  System.out.println(e);

            }

      }

}

Client

import java.io.*;

import java.net.*;

public class Client

{

      public static void main(String arg[])

      {

            try

            {

                  Socket s=new Socket("localhost",7777);

                  DataOutputStream dout=new DataOutputStream(s.getOutputStream());

                  dout.writeUTF("Hello Server How Are You?");

                  dout.flush();

                  dout.close();

            }

            catch(Exception e)

            {

                  System.out.println(e);

            }

      }

}

Write a program to find out IP address of current system?

IT Time Pass — Mon, 09 Apr 2018 11:55:41 +0000

import java.net.InetAddress;

class IPFinder

{

      public static void main(String arg[])

      {

            try

            {

                  InetAddress address=InetAddress.getByName(arg[0]);

                  System.out.println("IP Address is "+address.getHostAddress());

            }

            catch(Exception e)

            {

                  System.out.println(e);

            }

      }

}

//java IPFinder localhost

//java IPFinder Vikrant-PC

Write a program in java to display addition of two numbers in applet and numbers must be given at compile time?

IT Time Pass — Sun, 08 Apr 2018 11:53:18 +0000

import java.applet.*;

import java.awt.*;

/*

      

      

      

      

*/

public class ParamApplet extends Applet

{

      int a,b,c;

      public void init()

      {

            setBackground(Color.red);

            setForeground(Color.yellow);

            a=Integer.parseInt(getParameter("num1"));

            b=Integer.parseInt(getParameter("num2"));

            c=a+b;

      }

      public void paint(Graphics g)

      {

            g.drawString("Sum = "+c,175,150);

      }

}

Write a program in java to demonstrate simple applet program? In this program we have simple demonstrate a simple frame. Applet program method must be in an applet package.

IT Time Pass — Sat, 07 Apr 2018 11:51:00 +0000

import java.applet.*;

/*

      

      

*/

public class SimpleApplet extends Applet

{}