PragmaEdge Interview Questions and Answers

It's to test communication skills

Aptitude questions with some Java theoretical questions and 2 easy coding questions

Q1. Difference between arraylist and linkedlist
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Q2. Explaination about project
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Q1. Explain about projects
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Q2. What are the issues did you face while making the project
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Q3. How will you solve issue caused In production stage
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Aptitude, Reasoning, verbal,and c,c++, python,java questions write to answer to that.

Q1. What is pickling and unpickling in python.
Ans. 
Pickling is the process of serializing Python objects, while unpickling is the deserialization back to original objects.
• Pickling converts a Python object into a byte stream using the `pickle` module.

• Unpickling restores the byte stream back into a Python object.

• Example of pickling: `import pickle; pickle.dump(obj, file)`.

• Example of unpickling: `obj = pickle.load(file)`.

• Pickling is useful for saving program state or send...read more
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Q2. What is difference between range and xrange
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Q3. What is polymorphism
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Polymorphism is a programming concept allowing methods to do different things based on the object type.
• Polymorphism allows methods to be defined in a base class and overridden in derived classes.

• Example: A function 'draw()' can be defined in a base class 'Shape' and overridden in 'Circle' and 'Square'.

• It enables code reusability and flexibility, allowing for easier maintenance.

• There are two types: compile-time (method ...read more
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Q4. What is deadlock in java
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Deadlock in Java occurs when two or more threads are blocked forever, waiting for each other to release resources.
• Deadlock happens when two or more threads hold resources and wait for each other to release them.

• Example: Thread A holds Resource 1 and waits for Resource 2, while Thread B holds Resource 2 and waits for Resource 1.

• Deadlocks can be detected using algorithms like Wait-For Graph or by using thread dump analys...read more
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Q5. What is multi threading.
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Multi-threading is a programming technique that allows concurrent execution of multiple threads within a single process.
• Improves application performance by utilizing CPU resources more efficiently.

• Allows multiple tasks to run simultaneously, such as downloading files while processing data.

• Threads share the same memory space, which makes communication between them faster but requires careful synchronization.

• Example: A w...read more
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Q6. Write a java code for second largest number in array in java.
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Q7. Sort the array in both ascending and descending order in java write code.
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Q8. What is diff between while loop and do while loop.
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Q1. Introduce yourself
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Q2. What is accounting and types of it
Ans. 
Accounting is the process of recording, summarizing, analyzing, and reporting financial transactions of a business.
• Types of accounting include financial accounting, management accounting, tax accounting, and forensic accounting.

• Financial accounting focuses on external reporting to stakeholders.

• Management accounting provides internal information for decision-making.

• Tax accounting deals with tax-related matters.

• Forensic ...read more
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Some java basic programs