50 Uvj technologies pvt.ltd - india Interview Questions and Answers

Javascript

Ques:- Hi Friends, I am new to java, please provide some use full docs, and where can i get basic Java script docs… thanx in advance

Asked In :- Walkover Web Solutions, Define Labs, Aretove Technologies, MRI Software, Gloify, Solunus, canonical ltd., sports interactive, tudip technologies, iks,

Comments

Admin May 17, 2020

Dear Friend,
Pls go thru www.w3schools.com, I guess it is much helpful to
you.
All The Best.

Admin May 17, 2020

Hey Surendra;
Go through the following sites, If you read all through out
then you will get perfection in Javascript.
1. w3schools.com
2. brainjar.com
--
Cheers
Vikram

Javascript

Ques:- what is the source code for sendRedirect method()java Servlet program?

Asked In :- Mundrisoft Solutions LLP, AQM Technologies, Streebo Solutions, Samsung R&D Institute India, PredictiveHire, DigiQ Solutions, temenos, servian, adaptavist, rtcamp,

Comments

Admin May 17, 2020

first,u have to use sendRedirect in form of JSP browserside.
<form method="POST"
action="/SendRedirect/SendRedirectServlet">
second in SendRedirectServlet, u have giving a response to
browser side
response.sendRedirect("/SendRedirect/ValidUserServlet");
it makes a request to one resource in server.
in server, gives response to browser. session is lost at a
time.

Javascript Project Leader/ Project Manager

Ques:- What are the different types of readyStates in Ajax

Asked In :- RAKUTEN INDIA ENTERPRISE PVT, Citrus Informatics (India), Aris Global Software, Ginger Webs, Extentia, KareXpert Technologies, Digital Mesh Softech, yardi, cambio software engineering, tekla,

Javascript Project Leader/ Project Manager

Ques:- What does break and continue statements do?

Asked In :- Apttus Software, Cimpress India, Befree, Talencia LLC, ESDS Software Solution, AM InfoWeb, Kokoro, TriGeo Technologies, Web Hosting UK, coupang,

Javascript

Ques:- Write a javascript program to make a simple calculator

Asked In :- Muvi Entertainment, Bitcot Technologies, Statestreet HCL Services, TAO Solutions, Eteros, Teknotrait Solutions, upland software, j.d. edwards, ste, scandiweb,

Comments

Admin May 17, 2020

<html>
<head>
<title>A simple JavaScript calculator</title>
<script language='JavaScript'>
Default = "0";
Current = "0";
Operation = 0;
MaxLength = 30;
function AddDigit(dig) {
if (Current.indexOf("!") == -1) {
if ((eval(Current) == 0) && (Current.indexOf(".") == -1)) {
Current = dig;
} else {
Current = Current + dig;
}
Current = Current.toLowerCase();
} else {
Current = "Hint! Press 'AC'";
}
if (Current.indexOf("e0") != -1) {
var epos = Current.indexOf("e");
Current = Current.substring(0,epos+1) + Current.substring(epos+2);
}
if (Current.length > MaxLength) {
Current = "Too long";
}
document.Calculator.Display.value = Current;
}
function Dot() {
if ( Current.length == 0) {
Current = "0.";
} else {
if (( Current.indexOf(".") == -1) && (Current.indexOf("e") == -1)) {
Current = Current + ".";
}
}
document.Calculator.Display.value = Current;
}
function DoExponent() {
if ( Current.indexOf("e") == -1 ) {
Current = Current + "e0";
document.Calculator.Display.value = Current;
}
}
function PlusMinus() {
if(Current.indexOf("e") != -1) {
var epos = Current.indexOf("e-");
if (epos != -1) {
Current = Current.substring(0,1+epos) + Current.substring(2+epos);
} else { epos = Current.indexOf("e");
Current = Current.substring(0,1+epos) + "-" + Current.substring(1+epos);
}
} else {
if ( Current.indexOf("-") == 0 ) {
Current = Current.substring(1);
} else {
Current = "-" + Current;
}
if ((eval(Current) == 0) && (Current.indexOf(".") == -1 )) {
Current = "0"; }
}
document.Calculator.Display.value = Current;
}
function Clear() {
Current = "0";
document.Calculator.Display.value = Current;
}
function AllClear() {
Current = "0";
Operation = 0;
Default = "0";
document.Calculator.Display.value = Current;
}
function Operate(op) {
if (Operation != 0) { Calculate(); };
if (op.indexOf("*") > -1) { Operation = 1; };
if (op.indexOf("/") > -1) { Operation = 2; };
if (op.indexOf("+") > -1) { Operation = 3; };
if (op.indexOf("-") > -1) { Operation = 4; };
Default = Current;
Current = "";
document.Calculator.Display.value = Current;
}
function Calculate() {
if (Operation == 1) { Current = eval(Default) * eval(Current); };
if (Operation == 2) {
if (eval(Current) != 0) {
Current = eval(Default) / eval(Current)
} else {
Current = "Divide by zero";
}
}
if (Operation == 3) { Current = eval(Default) + eval(Current); };
if (Operation == 4) { Current = eval(Default) - eval(Current); };
Operation = 0;
Default = "0";
Current = Current + "";
if (Current.indexOf("Infinity") != -1) {
Current = "Value too big";
}
if (Current.indexOf("NaN") != -1) {
Current = "I don't understand";
}
document.Calculator.Display.value = Current;
}
function FixCurrent() {
Current = document.Calculator.Display.value;
Current = "" + parseFloat(Current);
if (Current.indexOf("NaN") != -1) {
Current = "I don't understand";
}
document.Calculator.Display.value = Current;
}
</script>
</head>
<hr><div align="center">
<FORM name="Calculator">
<table width="40%" height="40%" border="4" bgcolor="#FFEBCD"><tr>
<td colspan="2" align="center">
<b><font face="Verdana, Arial, Helvetica" color="#000080" size="3">
A Simple JavaScript Calculator<br></font>
<font face="Courier" size="5">
<input type="text" maxlength="40" size="25" name="Display" onChange="FixCurrent()">
</font></b>
</td></tr>
<tr><td width="65%" align="center">
<table><tr>
<td><input type="button" name="seven" value=" 7 " OnClick="AddDigit('7')"></td>
<td><input type="button" name="eight" value=" 8 " OnClick="AddDigit('8')"></td>
<td><input type="button" name="nine" value=" 9 " OnClick="AddDigit('9')"></td>
</tr><tr>
<td><input type="button" name="four" value=" 4 " OnClick="AddDigit('4')"></td>
<td><input type="button" name="five" value=" 5 " OnClick="AddDigit('5')"></td>
<td><input type="button" name="six" value=" 6 " OnClick="AddDigit('6')"></td>
</tr><tr>
<td><input type="button" name="one" value=" 1 " OnClick="AddDigit('1')"></td>
<td><input type="button" name="two" value=" 2 " OnClick="AddDigit('2')"></td>
<td><input type="button" name="three" value=" 3 " OnClick="AddDigit('3')"></td>
</tr><tr>
<td><input type="button" name="plusmin" value=" +/- " OnClick="PlusMinus()"></td>
<td><input type="button" name="one" value=" 0 " OnClick="AddDigit('0')"></td>
<td><input type="button" name="two" value=" . " OnClick="Dot()"></td>
</tr>
</table>
</td>
<td width="35%" align="center">
<table><tr>
<td><input type="button" name="clear" value=" C " OnClick="Clear()"></td>
<td><input type="button" name="AC" value=" AC " OnClick="AllClear()"></td>
</tr><tr>
<td><input type="button" name="mul" value=" * " OnClick="Operate('*')"></td>
<td><input type="button" name="div" value=" / " OnClick="Operate('/')"></td>
</tr><tr>
<td><input type="button" name="add" value=" + " OnClick="Operate('+')"></td>
<td><input type="button" name="sub" value=" - " OnClick="Operate('-')"></td>
</tr><tr>
<td><input type="button" name="result" value=" = " OnClick="Calculate()"></td>
<td align="right"><input type="button" name="exp" value=" EXP " OnClick="DoExponent()"></td>
</tr></table>
</td>
</tr></table>
</div></body>
</html>

Admin May 17, 2020

Actually we already known simple calculator means such like
addition, subraction,division, multiplication.those things
are coding by switch case method.

Mobile App Development

Ques:- What are some common challenges in mobile app development

Asked In :- Queppelin Technology Solutions, Codiant Software Technologies, Priya Softweb Solutions, TRICON INFOTECH PVT, Happiest Minds Technologies Pvt., Deligence Technologies, Infostretch solutions, Incise Infotech, First Zen, 9series Solutions,

Right Answer:
Some common challenges in mobile app development include:

1. Device Fragmentation: Different screen sizes, resolutions, and operating systems.
2. Performance Optimization: Ensuring the app runs smoothly on various devices.
3. Security: Protecting user data and preventing breaches.
4. User Experience: Designing intuitive interfaces that meet user expectations.
5. Connectivity Issues: Handling offline functionality and varying network conditions.
6. App Store Guidelines: Complying with different app store requirements and policies.
7. Testing: Ensuring the app works correctly across multiple devices and platforms.

Mobile App Development

Ques:- How do you test mobile applications on different devices

Asked In :- Vinove Software & Services Pvt Ltd, Toxsl Technologies, iROID Technologies, Appiness Interactive, mobifly, Incise Infotech, rapidera technologies, Sarvaha Systems, Uolo Technology, Appscrip,

Right Answer:
To test mobile applications on different devices, you can use the following methods:

1. **Real Device Testing**: Use physical devices to test the app on various screen sizes, operating systems, and hardware configurations.
2. **Emulators and Simulators**: Utilize emulators (for Android) and simulators (for iOS) to mimic different devices and test the app's functionality.
3. **Cloud Testing Services**: Leverage cloud-based testing platforms like BrowserStack or Sauce Labs that provide access to a wide range of devices and configurations.
4. **Automated Testing Tools**: Implement automated testing frameworks like Appium or Espresso to run tests across multiple devices efficiently.
5. **Manual Testing**: Conduct manual testing on key devices to ensure user experience and functionality are consistent.

By combining these methods, you can effectively test mobile applications across different devices.

Mobile App Development

Ques:- What tools do you use for debugging mobile apps

Asked In :- Fortunesoft IT Innovations, Codiant Software Technologies, Startup - Navya Network, SWYM, Appiness Interactive, RAKUTEN INDIA ENTERPRISE PVT, Deligence Technologies, mobifly, infobell IT solutions, TVISHA TECHNOLOGIES PVT,

Right Answer:
I use tools like Android Studio's Logcat, Xcode's debugger, Chrome DevTools for web views, and third-party tools like Flipper or Firebase Crashlytics for debugging mobile apps.

Mobile App Development

Ques:- What is the difference between native web and hybrid apps

Asked In :- Vinove Software & Services Pvt Ltd, Queppelin Technology Solutions, Codiant Software Technologies, Priya Softweb Solutions, iROID Technologies, CodeClouds IT Solutions, mobifly, TVISHA TECHNOLOGIES PVT, scandid, Pinnacleworks Infotech,

Right Answer:
Native apps are developed specifically for one platform (like iOS or Android) using platform-specific languages and tools, providing better performance and access to device features. Web apps are accessed through a web browser and are built using standard web technologies (HTML, CSS, JavaScript), while hybrid apps combine elements of both, allowing them to run on multiple platforms but often with less performance than native apps.

Mobile App Development

Ques:- What are the advantages of using a cross platform framework

Asked In :- Fortunesoft IT Innovations, Codiant Software Technologies, TRICON INFOTECH PVT, RAKUTEN INDIA ENTERPRISE PVT, Muvi Entertainment, Happiest Minds Technologies Pvt., Spark Infosys, Deligence Technologies, scandid, MMF INFOTECH,

Right Answer:
The advantages of using a cross-platform framework include:

1. **Code Reusability**: Write once, run on multiple platforms, reducing development time and effort.
2. **Cost Efficiency**: Lower development and maintenance costs since a single codebase serves multiple platforms.
3. **Faster Development**: Accelerated development process due to shared code and resources.
4. **Consistent User Experience**: Uniform look and feel across different devices and platforms.
5. **Access to a Wider Audience**: Reach users on various platforms (iOS, Android, etc.) without separate apps.
6. **Easier Updates**: Simplified updates and bug fixes since changes are made in one codebase.

Python

Ques:- Why is not all memory freed when Python exits?

Asked In :- KRIOS Info Solutions, Aakit Technologies, Ribbon Communications Inc, TPF Technologies, NJ Technologies, Teqfocus, CareerNet, CDAC Hyderabad, Posist Technologies, Advantage Club,

Python

Ques:- In python, are there any databases to DB packages?

Asked In :- SWYM, Angular Minds, ISG NovaSoft Technologies, Xenovex technologies, Tayana Software Solutions, TechnoGen, Datatonic, QualiTLabs, Cradlepoint, Netlink Software,

Python System Security Engineer

Ques:- What is Python good for?

Asked In :- CAP Digisoft Solutions, Abzooba India Infotech, DataWeave, Sciative Solutions, Volksoft Technologies, Adaequare Info Pvt Ltd, landis+gyr, keeptruckin, optisol business solutions, areteans,

Python Django

Ques:- Whats the difference between mod_python & mod_wsgi

Asked In :- Valued Epistemics, JIBE DEVELOPMENT SERVICES, Siam Computing, Intelizign, Quantified Commerce, Pickrr Technologies, Sanfoundry, QualiTLabs, EPIC Semiconductors, people tech group inc,

Right Answer:
mod_python is an Apache module that allows embedding Python code within web applications, but it is outdated and no longer actively maintained. mod_wsgi, on the other hand, is a more modern and efficient Apache module designed specifically for hosting Python web applications using the WSGI (Web Server Gateway Interface) standard, making it the preferred choice for deploying Django applications.

Python

Ques:- How can I find the methods or attributes of an object in python?

Asked In :- EdgeVerve Systems, Happiest Minds Technologies Pvt., Ojas Innovative Technologies, VEDA IIT, Ritwik Software Technologies, Roanuz, Futurenet Technologies (India), Essen Vision Software, tieto, sandvik,

Comments

Admin May 17, 2020

Built-in dir() function of Python ,on an instance shows the instance variables as well as the methods and class attributes defined by the instance's class and all its base classes alphabetically. So by any object as argument to dir() we can find all the methods & attributes of the objectâ€™s class.
Following code snippet shows dir() at work :
class Employee:
def __init__(self,name,empCode,pay):
self.name=name
self.empCode=empCode
self.pay=pay
print("dir() listing all the Methods & attributes of class Employee")
print dir(e)
-----------------------------------------------------
Output
dir() listing all the Methods & attributes of class Employee
[ '__init__', 'empCode', 'name', 'pay']

Quality Assurance

Ques:- Batch records and calculations

Asked In :- Shakti Pumps, TriByte Technologies, BioAnalytical Technologies, Al-Futtaim Engineering, Duke Energy, TTN, Honda Motorcycle & Scooter India, MagicPin, Iprimed Education Solutions, edwisor,

Quality Assurance Software Testing Architect

Ques:- What do you like most about Quality Assurance/Testing?

Asked In :- ISKPRO, Ford India, Excelra Knowledge Solutions, Nagarro Software, Infomats Technologies, FWO, MSPL, Metapercept Technology Services, TUI Group, ALTRUISTA HEALTH, INC,

Right Answer:
I enjoy Quality Assurance/Testing because it allows me to ensure that software meets high standards of quality and reliability, ultimately enhancing user satisfaction and preventing issues in production.

Performance Test Engineer Quality Assurance

Ques:- What's fuzz testing ?

Asked In :- Smart Cube India, ANR Software, Gap Inc Corporate, CAFS, LaTeX, Mann Hummel, SRF, Reece Group, Lenskart Solutions, Executive Ship Management,

Quality Assurance Quality Assurance/ Control - Executive

Ques:- Which of these roles are the best and most popular?

Asked In :- Happiest Minds Technologies Pvt., 63 moons technologies, iTroSys Technologies, Tally Solutions, ADNOC Abu Dhabi National Oil Company, DSVV, JMC Projects, Wondersoft, Absyz Software Consulting, Danfoss International,

Right Answer:
The best and most popular roles in Quality Assurance are Quality Assurance Analyst, Quality Assurance Engineer, and Test Manager.

Quality Assurance Software Quality Assurance Analyst

Ques:- Have you ever worked with QA in developing test tools? Explain the participation Development should have with QA in leveraging such test tools for QA use.

Asked In :- WSNE Consulting, Keyideas Infotech, Ribbon Communications Inc, Healthians, Codemind Staffing Solutions, Suparco, DSM SOFT, KENT RO Systems, Vaco Binary Semantics, Innovatia Inc,

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