Williams Lea Software Developer Interview Questions and Answers

General discussion checks communications

Basic logical program like palindrome

60 min normal apptitude question

Q1. What is the difference between encapsulation and abstraction, sql query 2nd highest salary, what is inheritance
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Q2. Tell me about project what is oops
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Q1. Normal question related to project
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Q2. He asked about me stock market
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Aptitude question. Included basic english nd coding and topic of group discussion .

Q1. What is the work in office
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Q2. What is timings in day
Ans. 
Timings in a day refer to the different periods of time that make up a 24-hour day.
• A day is typically divided into morning, afternoon, evening, and night

• Different cultures may have different ways of dividing a day

• Timings can also refer to specific times for events or activities
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Q1. How much salary per month
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Q2. What is timing in the day
Ans. 
Timing in the day refers to the different periods or divisions of time within a 24-hour cycle.
• Timing in the day includes morning, afternoon, evening, and night.

• It helps in organizing daily activities and scheduling tasks.

• Different cultures may have different names or divisions for timing in the day, such as siesta or tea time.

• Timing in the day can also be represented using the 12-hour or 24-hour clock system.
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Q3. How to procesa I share my details
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Q4. Please tell me the process
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Q1. How is GIL and how python handle multi threading
Ans. 
GIL stands for Global Interpreter Lock in Python, which limits execution of multiple threads at once.
• GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes at once.

• Due to GIL, Python threads are not suitable for CPU-bound tasks but are still useful for I/O-bound tasks.

• To handle multi-threading in Python, one can use multiprocessing module or asynchronous progr...read more
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Q2. Explain How React works under the hood.
Ans. 
React uses a virtual DOM to efficiently update the actual DOM based on changes in state or props.
• React creates a virtual DOM representation of the actual DOM.

• When state or props change, React compares the virtual DOM with the actual DOM to determine the minimal set of changes needed.

• React then updates the actual DOM efficiently to reflect the changes.
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