ColorTokens Software Engineer Interview Questions and Answers

Easy problem on java

Q1. Technical discussion
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Q1. Array related questions
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Q2. OOPS Concept like multithreading
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Some advanced linked list questions

Logical reasoning And aptitude test

C++, python and Java programming

Q1. Threading: Write and use a mutex?
Ans. 
A mutex is a synchronization primitive that ensures only one thread can access a resource at a time.
• Create a mutex object using the appropriate library or language-specific function.

• Lock the mutex before accessing the shared resource to prevent other threads from accessing it.

• Unlock the mutex after finishing the operation on the shared resource to allow other threads to access it.

• Example: pthread_mutex_t mutex; pthread...read more
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Q2. Find the memory leak in a given set of code.
Ans. 
Identify memory leak in code
• Check for any dynamically allocated memory that is not being freed

• Look for any infinite loops or recursive functions that consume memory

• Use memory profiling tools like Valgrind to detect leaks

• Check for any global variables that are not properly managed
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Q1. Technical questions that includes coding as well
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Q1. Technical and Managerial discussion
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Q1. Salary discussion
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Q1. List tuple python memory management Codig question RestAPIs HTTP methods State Management UI
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Q1. What is VTable and VPtr
Ans. 
VTable is a table of function pointers used in object-oriented programming to implement polymorphism. VPtr is a pointer to the VTable.
• VTable is used to store pointers to virtual functions in a class.

• VPtr points to the VTable of an object to enable dynamic dispatch of virtual functions.

• VTable and VPtr are used in C++ to implement polymorphism and dynamic binding.
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