HCL Group Software Development Engineer Interview Questions and Answers

In aptitude que and if it's clear so 2 coding que

Q1. Difference between linklist and arraylist
Ans. 
LinkedList is a data structure where elements are linked using pointers, while ArrayList is a resizable array implementation.
• LinkedList uses nodes with pointers to the next element, allowing for efficient insertions and deletions.

• ArrayList uses a dynamic array to store elements, providing fast random access but slower insertions and deletions.

• LinkedList is better for frequent insertions and deletions, while ArrayList i...read more
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Q2. Reverse string program of java
Ans. 
Java program to reverse a string
• Use StringBuilder class to reverse the string

• Convert the string to a StringBuilder object, call reverse() method, then convert back to string

• Alternatively, use a loop to iterate through the characters of the string in reverse order
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Q1. Tell me about yourself
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Q1. Tell me about Last work experience
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Q1. Tell me about yourself
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Q1. Tell about strength weakness
Ans. 
Strength: Strong problem-solving skills. Weakness: Difficulty delegating tasks.
• Strength: Able to quickly identify and solve complex problems.

• Weakness: Struggle to trust others to complete tasks as effectively as I can.

• Strength: Excellent at troubleshooting and finding efficient solutions.

• Weakness: Tendency to take on too much work and not delegate effectively.
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