MSG Global Solutions Java Developer Interview Questions and Answers

Reasoning and aptitude questions are given

Q1. Tell all concepts of Overloading
Ans. 
Overloading is a concept in programming where multiple functions can have the same name but different parameters.
• Functions with the same name but different parameters can be defined in a class

• Overloading allows for flexibility in function usage

• Example: void print(int num) and void print(string text) are overloaded functions
Answered by AI
Add your answer
Q2. Tell me about a live example of inheritance
Ans. 
Inheritance in software development allows a class to inherit properties and behaviors from another class.
• Inheritance allows a subclass to reuse code from a superclass

• Subclass can also add new functionalities or override existing ones

• Example: Animal class can be a superclass with properties like name and age, while Dog class can inherit from Animal and add a method bark()
Answered by AI
Add your answer

Q1. Tell about the your self
Add your answer

2 DSA question was asked

40 questions in 20 minutes

Q1. Stones games 2 leetcode
Add your answer
Q2. Permutations of array
Ans. 
Generate all possible permutations of an array of strings
• Use recursion to generate permutations

• Swap elements to create different permutations

• Base case: when array size is 1, return array as permutation
Answered by AI
Add your answer

Q1. Project discussion
Add your answer

Q1. General resume discussions
Add your answer
Q2. HR questiosn aslso
Add your answer

Q1. What is HashMap?
Ans. 
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
• HashMap allows quick access to values based on their keys

• Keys must be unique and values can be duplicated

• HashMap is not thread-safe and requires synchronization for concurrent access

• Java's HashMap implementation uses hashing to distribute keys across buckets
Answered by AI
Add your answer
Q2. It’s a collection framework.
Add your answer

Q1. React js, ReactHooks, es67 features, bootstrap
Add your answer

60mintues DSA level coding exam

Q1. Closures, hostings, react js, redux, hooks basic
Add your answer
Q2. Html5, css3, basic javascript stuff
Add your answer

Q1. About my self and experience
Add your answer
Q2. About my hobbies
Add your answer

Q1. Document verify
Add your answer
Q2. Tel about my favorite topic
Ans. 
My favorite topic is artificial intelligence and its impact on society.
• AI has revolutionized various industries such as healthcare, finance, and transportation

• Ethical considerations surrounding AI development and deployment are crucial

• AI has the potential to both improve and disrupt society in significant ways
Answered by AI
Add your answer