Nice Software Solutions Software Trainee Interview Questions and Answers

Q1. Questions related to dbms and oops concepts
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Q2. What is normalization
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Normalization is the process of organizing data in a database to eliminate redundancy and improve data integrity.
• Normalization helps in reducing data redundancy by breaking down a large table into smaller, more manageable tables.

• It ensures that each piece of data is stored only once, reducing storage space and improving efficiency.

• Normalization also helps in maintaining data integrity by preventing anomalies like updat...read more
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Q3. What is polymorphism
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Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
• Polymorphism is a fundamental concept in object-oriented programming.

• It allows a single interface to be used for different types of objects.

• Polymorphism can be achieved through method overriding and method overloading.

• Example: A shape class with different subclasses like circle, square,
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Q1. Given an array Reverse array
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Reverse array of strings
• Iterate through the array and swap elements from start to end

• Use two pointers, one at the beginning and one at the end, and swap elements until they meet
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Q2. Giaven a string Reverse string
Ans. 
Reverse a given string
• Use built-in functions like reverse() or loop through the string in reverse order

• Create a new string and append characters from the original string in reverse order

• Convert the string to an array of characters, reverse the array, and then join it back into a string
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Q3. Given array find sum of all elements
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Calculate sum of all elements in a given array of strings
• Iterate through the array and convert each element to integer before adding to sum

• Handle edge cases like empty array or non-numeric elements

• Return the final sum after iterating through all elements
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Q1. I don't know why they rejected me
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Q2. What ever they asked me for coding part the output is correct and logic is also correct
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Q1. Core concepts on for the language you are giving interview
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Q2. Detailed questions from resume
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Q1. Basic to medium complexity coding question
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Q2. Check culture fit
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Q1. General questions like about family, native place & salary discussion
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Q1. Different deoendency injection techniques
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Dependency injection is a design pattern used to remove hard-coded dependencies and make components more modular and testable.
• Constructor injection: Dependencies are provided through a class's constructor.

• Setter injection: Dependencies are set through setter methods.

• Interface injection: Dependencies are injected through an interface.

• Spring framework in Java uses dependency injection to manage components.

• Angular framewo...read more
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Q1. Client round about architecture
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Basic pattern question

Moderate level related to array and string

Difficult questions pattern string array tree

Q1. Basic introduction salary expectation
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Q1. Oops concept Js related output questions
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