Girmiti Software Interview Questions and Answers

Group discussion about a topic artificial intelligence

Q1. About a python topics
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Q2. Simple code snippets in python
Ans. 
Python code snippets for beginners
• Use print() function to display output

• Indentation is crucial in Python for code blocks

• Python is case-sensitive, so be careful with variable names
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Q1. Questions on string, String buffer, String builder
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Q2. Questions on Oops concept
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Q3. W.r.t a program on string reverse
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Program to reverse a string using Java
• Use StringBuilder class to reverse the string

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

• Alternatively, use char array and swap characters from start and end
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Q4. Difference on Arraylist and linkedlist, hashmap and hashset
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ArrayList vs LinkedList: ArrayList uses dynamic array, LinkedList uses doubly linked list. HashMap vs HashSet: HashMap stores key-value pairs, HashSet stores unique elements.
• ArrayList is faster for accessing elements by index, LinkedList is faster for adding/removing elements in the middle.

• HashMap allows null key and values, HashSet does not allow duplicate elements.

• Example: ArrayList list = new ArrayList<>(); LinkedLi...read more
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Q5. One program on collection
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Q6. Questions on Springboot, spring security
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Write a program for string reverse

Q1. Difference betweeen string, stringbuffer and string builder
Ans. 
String is immutable, StringBuffer is synchronized and mutable, StringBuilder is not synchronized and mutable.
• String is immutable, meaning its value cannot be changed once it is created.

• StringBuffer is synchronized, making it thread-safe, but slower than StringBuilder.

• StringBuilder is not synchronized, making it faster than StringBuffer but not thread-safe.
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Q2. Question on OOps concept
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Q3. Abstract and interface difference
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Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
• Abstract classes can have constructors, interfaces cannot.

• A class can implement multiple interfaces, but can only extend one abstract class.

• Interfaces are used to achieve multiple inheritance in Java.

• Abstract classes are used to provide a common base for subclasses to extend.
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Q4. Questions on collections
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Q1. Core java Concept, oops, collection..
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Q2. What is Oops, can you explain?
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Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOP focuses on creating objects that interact with each other to solve a problem.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• For example, in a banking system, a 'BankAccount' class can have objects like '...read more
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Q3. What do you know about collections?
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Collections refer to the process of gathering and organizing items or objects into a group.
• Collections can include items such as books, art, antiques, coins, stamps, etc.

• People often collect items based on personal interest, hobby, or investment purposes.

• Collections can be displayed in museums, galleries, private homes, or online platforms.

• Some famous collections include the British Museum in London, the Louvre in Pari
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Q4. Diff between list and Set?
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List is an ordered collection of elements with duplicates allowed, while Set is an unordered collection of unique elements.
• List maintains the insertion order of elements, while Set does not guarantee any specific order.

• List allows duplicate elements, while Set does not allow duplicates.

• Examples: List - [1, 2, 3, 1], Set - {1, 2, 3}
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