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Login using Ajax, J2ee, Oracle 10g

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Get Finest Laptops from AMAZON Login.jsp <%--     Document   : index     Created on : 2 Dec, 2013, 6:43:57 PM     Author     : snlkjha --%> <%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html>     <head>         <link rel="stylesheet" href="Know_your_employee.css.css">         <script type="text/javascript" src="know_your_employee.js"></script>         <style type = "text/css">             td{font-weight:bold;}             select{font-weight:bold;color:blueviolet;}         </style>     </head>     <body>         <div id="nav">             <div id="flip"><span id="t">Know Y...
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Cascading DropDownList Using Ajax, J2ee, Oracle

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Step -I Index.jsp <%--     Document   : Cascading Drop Down List     Created on : 26 Jul, 2013, 7:26:39 PM     Author     : snlkjha     Description:     Front end: JSP using JSTL     Middle tier: Java Classes     Database    : Oracle 10G     sample table used test123(country,state,dist) one-many-many     MVC has been Follwed. --%> <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html>     <head>         <link rel="stylesheet" href="Styles/ddl_css.css">         <script language="javascript" src="Script/ajax.js"></script>         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">         <title>J...
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We need to write the function to check the password entered is correct or based on the following conditions..

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a) It must have atleast one lower case character and one digit. b)It must not have any Upper case characters c) length should be b/w 5-12. d) It should not have any same immediate patterns like abcanan1 : not acceptable coz of an an pattern abc11se: not acceptable, coz of pattern 11 123sd123 : acceptable, as not immediate pattern adfasdsdf : not acceptable, as no digits Aasdfasd12: not acceptable, as have uppercase character Solution : package assignment1; import java.util.Scanner; /**  * @author Snlkjha  */ public class ValidPassword {   /*It must have atleast one lower case character*/   public static boolean islower(String password){     char pass[]=password.toCharArray();     for(int i=0;i<pass.length;i++)         if((int)pass[i]>=97 &&(int)pass[i]<=122) return true;       return false; } /*It must not have any Upper case characters*/ public static boolean isup...
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A string of characters is given.Find the highest occurrence of a character and display that character.

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eg.: INPUT: AEGBCNAVNEETGUPTAEDAGPE OUTPUT: E or I,J(if equal occurance) package assignment1; /*  * @author snlkjha  */ public class Charfreq {         public static void charFreq(String x){                 String toUpperCase = x.toUpperCase();   /*If the given string is in lower case or mixed case , convert it into upper case.*/         char y[]=toUpperCase.toCharArray();         int freq[]=new int[26],max=0;         for(int i=0;i<y.length;i++) ++freq[(int)y[i]-65];         System.out.println("________________________________________");         for(int i=0;i<y.length;i++)             if(freq[i]!=0)  System.out.println((char)(i+65)+" "+freq[i]);         for(int i=1;i<freq.length;i++)  max=freq[max]<freq[i]?i:max;   ...
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Code to upload multiple files simultaneously using JSP, Servlet .

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Step 1 : Create a jsp page. index.jsp <%--      Document   : index     Created on : 21 Sep, 2013, 5:58:32 PM     Author     : snlkjha --%> <%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html>     <head>         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">         <title>JSP Page</title>     </head>     <body>         <form action="UploadServlet" method="post" enctype="multipart/form-data">             <input type="file" id="file" name="file1" accept="image/*"  multiple="muliple" required/><br>             <input type="submit"/>            <br><br> ${requestScope.message} ...
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Code to create Zip file using Java .

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/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */ package Java_Classes; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; /**  *  * @author snlkjha  */ public class Zip {     public static void zipFolder(String srcFolder) throws Exception {         FileOutputStream fileWriter = new FileOutputStream(srcFolder + ".zip");         ZipOutputStream zip = new ZipOutputStream(fileWriter);         addFolderToZip("", srcFolder, zip);         zip.flush();         zip.close();     }     private static void addFolderToZip(String path, String srcFolder, ZipOutputStream zip) throws Exception {         File folder = new File(srcFolder);   ...
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Write a program to get the subsequence of a bit 1 and 0 given in a array of bits.

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/*  *Write a program to get the subsequence of a bit 1 and 0 given in a array of bits.(Equal No. of 1's and 0's)   For example :  array={1,0,1,1,0,1,1}   Output={1,0,1,0}                 array={1,1,0,1,0,0,1,1} Output={1,1,0,1,0,0}  */ package assignment1; import java.util.ArrayList; /**  * @author snlkjha  */ public class SubSequences {          public static ArrayList<Integer> subsequence(int a[]){    // Array a contains values in the form of 1's and 0's                 ArrayList<Integer> sub=new ArrayList<>();         int count1=0,count0=0,min;         for(int i=0;i<a.length;i++){             if(a[i]==1) count1++;   // counting No of 1's             else count0++;         ...
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