Interview Questions Answers in Web Design, Core Java, Java Related AllOther, JavaScript, Linux General

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{ City } chennai
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Question { 868 }

What is a usability test, and how do you conduct it?

Answer

A usability test evaluates how easily users can complete tasks in a product. It involves defining tasks, observing users as they attempt them, collecting feedback, and analyzing the results for improvements.

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Question { 1100 }

How do you measure the success of a UI/UX design?

Answer

Metrics like task completion rate, time-on-task, error rate, Net Promoter Score (NPS), and user feedback are used to evaluate the success of a design.

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Question { 907 }

What is the heuristic evaluation method in UX?

Answer

Heuristic evaluation involves assessing a product based on established usability principles (heuristics) to identify usability issues, such as Nielsen's 10 usability heuristics.

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Question { 1480 }

How do you manage tight deadlines in design projects?

Answer

I prioritize tasks, focus on essential features, use agile methods to iterate quickly, and ensure clear communication with the team to avoid unnecessary delays.

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Question { 914 }

What are common UX design challenges, and how do you overcome them?

Answer

Challenges include balancing user needs with business goals, designing for diverse audiences, and ensuring accessibility. I address these through user research, prioritization, and iterative testing.

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Question { 866 }

How do you stay updated with UI/UX trends?

Answer

I follow design blogs (like Smashing Magazine, UX Collective), participate in webinars, take online courses, and engage in design communities on platforms like Dribbble and Behance.

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Question { 939 }

Can you walk us through a recent project you worked on?

Answer

Provide details on the project goal, your role, the tools and methods used, challenges faced, and how you solved them. Conclude with the impact of the design and user feedback.

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Question { 1033 }

5 What is Java exception handling?

Answer

In Java, exceptions are objects. When you throw an exception, you throw an object. However, you can’t throw just any object as an exception — only those objects whose classes descend from throwable. Throwable serves as the base class for an entire family of classes, declared in java.lang, that your program can instantiate and throw.

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Question { 1007 }

Who developed JavaScript, and what was the first name of JavaScript?

Answer

Brendan Eich was a Netscape programmer who created JavaScript. In September 1995, Brendan Eich spent ten days creating this new scripting language. JavaScript was first known as Mocha when it was first released. It was then referred to as Live Script and then JavaScript.

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Question { 1305 }

Explain the difference between == and === in JavaScript.

Answer

• == (Abstract Equality) compares values without considering data type (performs type coercion).
o Example: 5 == "5" → true
• === (Strict Equality) compares both value and type.
o Example: 5 === "5" → false

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Question { 1401 }

What is the difference between synchronous and asynchronous JavaScrip

Answer

• Synchronous JavaScript: Code executes line-by-line, blocking the execution until the current operation completes.
• Asynchronous JavaScript: Allows execution to continue without waiting for previous operations to complete (e.g., setTimeout(), Promises, and async/await).

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Question { 1375 }

What is the event loop in JavaScript?

Answer

The event loop is a mechanism in JavaScript that handles asynchronous operations. It continuously checks the call stack and callback queue, executing functions in a non-blocking manner.

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Question { 1356 }

What is a Promise in JavaScript?

Answer

A Promise represents a value that may be available now, later, or never.
States of a Promise:
1. Pending: Initial state, not fulfilled or rejected.
2. Fulfilled: Operation completed successfully.
3. Rejected: Operation failed.

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Question { 1320 }

What is this in JavaScript?

Answer

this refers to the object that is executing the current function.
• In the global scope, this refers to window (in browsers).
• Inside an object method, this refers to the object itself.
• Inside an arrow function, this is lexically bound (inherits from the surrounding scope).

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Question { 1499 }

What is the difference between kill, pkill, and killall?

Answer

• kill: Kills a process using its PID.
• pkill: Kills a process using its name.
• killall: Kills all processes with the given name.

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