Java cognizant interview questions

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Accenture application	First level Cache is Session specific whereas Second level cache is shared by sessions that is why First level cache is considered local and second level cache is considered global. It is an example of xUnit architecture. All the elements inside a Set are unique. Can we use some other syntax too for main? Variable declaration is for assignment of properties and identification to a variable. Pre-increment operator used incrementing the variable value by one before assigning the cost to the variable. What is your objective in life?
Kaiser permanente doctors appointment	As a result, all numbers from 0 to N are printed on the screen. The more you prepare, the easier it will be to pass the interview. Python Turtle. Know More. Your feedback is important to coghizant us improve. Java cognizant interview questions is no such check this out as a Bond. In oops, abstraction is one of three main principles along with encapsulation and inheritance.
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The elements are inserted near the bottom end and deletion is done at the top end. It is an advanced version of a simple Linked List. One can traverse forward and backwards using a doubly-linked list. Unlike a simple linked list, it stores the previous pointer as well. Push is used to insert the elements in the stack, while pop is used to remove the elements from the stack. The top is used to keep a track of elements at the top of the stack. It is a non-linear data structure where elements are connected by links.

These elements are termed vertices and the links are called edges. The length of the links does not matter in the graphs. A stack based on the LIFO principle. The sequential process of accessing data means that the last data is entered after the first has been erased.

In an array, there is no particular order and each element can be accessed by inspecting its index. It is a linear data structure; it is similar to queue but follows the Last in First Out principle. The elements that are inserted last are removed first. Stack has two methods - pop and push. A bucket of clothes resembles a stack. A binary tree is a non-linear data structure.

Every node in the tree has left and right pointers along with data. The topmost node is known as the root node. The nodes that have sub-nodes is called parent node and nodes that do not have any sub-nodes are known as leaf node.

Binary trees are used in Binary search tree implementation. They are useful in storing records without taking up much space. It is a technique widely used in competitive programming where overlapping methods are used.

The main problem is divided into smaller problems so that the results generated from solving them can be reused again. It is a problem to find the shortest route for completing any job.

During a salesperson's visit, the points represent the different cities. The salesman aims to keep travel costs low, as well as distance, travelled as low as possible. Merge Sort falls under the divide and conquer algorithm. The problem is broken down into smaller problems of the same type until they are solvable. The solution to the subproblem is then combined to provide the solution for the initial problem.

It is one of the classic sorting algorithms. The idea is to swap the adjacent elements if they are in the wrong order. The preemptive multitasking process allows computer programs to pool operating systems OS and hardware resources. It uses established criteria to switch resources between processes and distributes operating and computing time among processes.

Preemptive multitasking is also known as time-shared multitasking. Oracle introduced it to provide high availability and clustering for the databases. Split brain syndrome happens when the database node starts behaving like an independent database. This can cause corruption and data loss. To prevent split brain syndrome, a voting disk is used. An algorithm called Depth first search or Depth first traversal is used to search all the nodes in a graph or tree.

The concept of traversing is to see all nodes at once. Index is used to optimize and improve the performance of the database. It is a data structure used to access and quickly locate the data in the database. Just like the index in the book, database index works in the similar way. The default value for Fill Factor is , which is the same as the value 0.

When the Fill Factor is set to or 0, SQL Server will fill the leaf-level pages of an index with as many rows as possible. There will be no or very little blank space on the page when the fill factor is Views are virtual tables that contains data from combination of two or more tables. Views are important when the data is stored in different tables and you want to have to a single table. You can create, update and delete a view. Answer — Those that make it through the technical round will advance to the final round, which is the Cognizant HR Interview.

Candidates will have a face-to-face interaction with Cognizant's HR Manager in this stage. During the HR stage , candidates may also be interviewed by a panel more than one interviewer. Participants will be asked things about their personal history, academic qualifications, interests, strengths, weaknesses, professional experience, and so on.

Finally, if candidates are chosen in this round, they will now be recruited for the job description for which they applied. This topic is typically asked to initiate a conversation and to gain a basic understanding of the candidate.

Candidates typically begin with their current academic qualifications, technologies learned, family history, projects completed in their final academic semesters, internship programs completed, and in what role. Note to answer confidently to make the best impression on the interviewer. The manner in which you conclude your answer can set the tone for the next few questions. Learning does not come to an end ever. The interviewer will want to know if you are a critical thinker who challenges yourself to grow.

You can respond to this question by saying that you are aware of current IT trends and that your knowledge will not only help you advance in your career but will also be beneficial to the company's growth. You must illustrate how you differ from the other candidates. Tell them about your abilities that will help you make a beneficial influence at work. Operating in a new environment is not really a problem for you.

Check that you match the job description and explain how you believe you could be a good fit based on your strengths. No employer wants an interviewee who will leave the company after only a few years. They anticipate that the candidates will be a good fit for the company for years. Even if you are unsure, you must tell them that as long as the job you do challenges and leads to a profitable company, it will help you grow.

Remember why you applied for this specific role when answering this question. Tell the interviewer about your qualifications and how they make you eligible for this position. In addition, emphasize how you can add value to their current workforce. Again, it is critical to research the job requirements before attending the interview.

Make a list of your areas of strength and say the ones which this role requires. Do not give a weak point that will directly impact your selection, but also do not claim that you don't even have any weaknesses.

The best way to respond to this question is to flip one of your strengths into a shortcoming, but you believe it is important to function in this way. Candidates must respond to this question by discussing their hobbies or extracurricular activities. Just don't say outright that you enjoy reading books, watching television, and playing sports. Since the interviewer will ask you what genre you love to read and why, as well as the technicalities of the sport.

So, ensure you answer this question honestly and only if you have such a knack for doing so in your spare time. This is a difficult question but never speak negatively about the previous company.

It only serves to make a negative impression on you. Instead, you could discuss new possibilities and get out of your comfort zone. The interviewer then considers your loyalty to the company for which you work, your enthusiasm to learn and embrace new technologies, and your comfort with new challenges in the future.

Many people do not change jobs for years, and when it comes time to search for a different job, this is among the most critical questions you will be asked. Giving proper reasons for staying so long, such as constantly developing in the company, doing new things, and dealing with greater challenges, could be a good answer to this question. Your interviewer may inquire about your information about the company.

And, truthfully, if you do not answer these questions correctly, you should assume that you will not be hired. It is because firms seek skilled individuals who can truly add to the company's progress. And it is not attainable for personnel unless they have a thorough understanding of the company's objectives and goals. The recruiter would be the one who assesses you in all areas. He wishes to hire the best possible applicant for his company.

As a result, you can anticipate this sort of question from any prospective employer. This question is designed to assess your maturity level and your managerial skills.

So keep in mind any stories in which you demonstrated your leadership abilities. The Cognizant Aptitude test includes all objective questions. It is a 35 minutes test with 24 questions, which are all mandatory. This exam tests you on basic, applied and engineering mathematics.

Cognizant recruitment takes place for freshers and experienced candidates. CTS runs recruitment for the following positions:. Cognizant recruitment is quite rigorous. It is one of the fortune companies and a great place to work. Even for experienced candidates, Cognizant is a good paymaster and has terrific projects that can elevate your career. Going through the recruitment process can be overwhelming and mentally draining, especially if you're a fresher.

To help you relieve stress, here are some tips:. This list is a great way to help you get started on your journey process with Congnizant. Here are some of the most frequently asked questions :. The amount of preparation you put into an interview defines how challenging it is. These questions are included for both Freshers and Experienced professionals. Public static void main String[] args Java main method is the entry point of any java program.

Its syntax is always public static void main String[] args and can change the name of String array argument. Java is platform-independent because it does not depend on any type of platform.

Hence, Java is platform-independent language and the programs are compiled into byte code and that byte code is platform-independent. Any machine to execute the byte code needs the Java Virtual Machine. Java is not a pure Object oriented language, but so called a "Hybrid" language. It supports primitive data type such as int ,char, float.

All these are not object but you can argue we have wrapper class for each of the data type such Integer int , Float float etc. A Wrapper class is a class whose object wraps or contains primitive data types. When we create an object to a wrapper class, it contains a field and in this field, we can store primitive data types.

Constructor is a block of codes similar to the method. It is called when an instance of the class is created. It is a special type of method which is used to initialize the object. Every time an object is created using the new keyword, at least one constructor is called. Singleton class is a class that can have only one object an instance of the class at a time. After first time, if we try to instantiate the Singleton class, the new variable also points to the first instance created.

Vector and ArrayList both uses Array internally as data structure. They are dynamically resizable. But, ArrayList increases by half of its size when its size is increased.

The major difference between Stack memory and heap memory is that the stack is used to store the order of method execution and local variables while the heap memory stores the objects and it uses dynamic memory allocation and deallocation. Java package is used to categorize the classes and interfaces so that they can be easily maintained.

It provides access protection and removes naming collision.