Infogain Internship Trainee Interview Questions and Answers

Normal General Appti

In font of Hrs Easy Questions

Q1. Nothing but a single coding question in sofa with Hr
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Q1. About family and are you okay with Bond
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Q1. Oops concepts, Encapsulation, Abstraction in detail with example
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Q2. Types of beans in Java
Ans. 
Java has two types of beans: stateful and stateless beans.
• Stateful beans maintain conversational state with the client, while stateless beans do not.

• Stateful beans are typically used for long-running conversations, while stateless beans are used for short-lived operations.

• Examples of stateful beans include session beans, while examples of stateless beans include message-driven beans.
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Q1. Code to sort an Array in ascending order
Ans. 
Use a sorting algorithm like bubble sort or quicksort to arrange elements in ascending order.
• Use a sorting algorithm like bubble sort, quicksort, or merge sort to rearrange elements in ascending order.

• For example, you can implement bubble sort to compare adjacent elements and swap them if they are in the wrong order.

• Another example is using quicksort to divide the array into smaller subarrays and recursively sort them.
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Q2. Find the second greatest number in an array
Ans. 
Iterate through the array to find the second greatest number.
• Iterate through the array and keep track of the greatest and second greatest numbers.

• Compare each element with the current greatest and second greatest numbers.

• Update the second greatest number if a new number is found that is greater than the current second greatest but less than the greatest.
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Q1. Let us assume we have an array of 0's and 1's,how would you find the first index for 1.
Ans. 
Iterate through the array and return the index of the first occurrence of 1.
• Iterate through the array using a loop.

• Check each element of the array, if it is 1 then return its index.

• If no 1 is found, return -1.
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Q2. SQL queries related to Order By and Group By
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Q1. First online assessment. Fundamental question from all computer science subjects.
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Q1. Self introduction
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It was simple apti and coding test
some apti questions and 2 coding

Q1. Basic OOPs related Java related questions as I told them I am proficient in Java
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Q1. Just normal discussion
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Coding C amd Apptitude

Q1. String Reverse without predefined methods
Ans. 
Reverse a string without using predefined methods
• Iterate through the string from end to start and append each character to a new string

• Use a temporary variable to swap characters from start to end until reaching the middle

• Alternatively, convert the string to an array of characters, reverse the array, then join it back into a string
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Q2. Pattern programs
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Q1. General discussion about family
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Q2. Get to know the relocate
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