Junior Developer Interview Questions

13,727 junior developer interview questions shared by candidates

How would you read a huge csv file if `pandas` throws a MemoryError? Why is re-indexing valuable in SQL, what does it to basically? What personal projects have you done, explain one in depth? (could only remember so much..... :( )
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Junior Python Developer

Interviewed at MarketDial

4.7
May 26, 2019

How would you read a huge csv file if `pandas` throws a MemoryError? Why is re-indexing valuable in SQL, what does it to basically? What personal projects have you done, explain one in depth? (could only remember so much..... :( )

Write a Java program to count how many times a specific target number appears in an array. For example, given the array: [1, 2, 5, 5, 5, 8, 9] and the target number T = 5, the output should be: The number 5 occurs 3 times in the array.
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Junior Java Developer

Interviewed at Mahathi Infotech

3.6
Apr 15, 2025

Write a Java program to count how many times a specific target number appears in an array. For example, given the array: [1, 2, 5, 5, 5, 8, 9] and the target number T = 5, the output should be: The number 5 occurs 3 times in the array.

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