ITC Hotels Java Developer Interview Questions and Answers

Q1. About me what you learn last organization
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Q2. About work experience and salary expectations
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Q3. When you will join after selection
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Find out no of occurrence of character and spaces in given string

Q1. Discussion about Hashmaps.
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Q2. How to make Spring Applications?
Ans. 
Spring applications can be made using Spring Boot, which simplifies the setup and configuration process.
• Use Spring Initializr to create a new Spring Boot project

• Add dependencies in the pom.xml file for required Spring modules

• Create Java classes with annotations like @Controller, @Service, @Repository, etc.

• Define application properties in application.properties or application.yml file

• Run the application using the main m
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Q1. Discussion about Goals.
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Q2. Discussed points from Resume
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Q1. What is gcd? And explain it
Ans. 
gcd stands for greatest common divisor, the largest positive integer that divides two or more numbers without leaving a remainder.
• gcd is used to find the largest integer that can evenly divide two or more numbers.

• It is commonly used in mathematics and computer science algorithms.

• For example, the gcd of 12 and 18 is 6, as 6 is the largest number that can divide both 12 and 18 without leaving a remainder.
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Q2. What is arc and explain it
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ARC stands for Automatic Reference Counting, a memory management technique used in programming languages like Objective-C and Swift.
• ARC automatically tracks and manages the memory used by objects in a program

• It increases the retain count of an object when it is referenced and decreases it when it is no longer needed

• ARC helps prevent memory leaks and retain cycles in iOS and macOS development
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Q1. String immutable
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Q2. Concurrent hashMap working
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ConcurrentHashMap is a thread-safe implementation of the Map interface in Java.
• ConcurrentHashMap allows multiple threads to access and modify the map concurrently.

• It achieves thread-safety by dividing the map into segments, allowing concurrent access to different segments.

• Each segment acts as an independent hash table, reducing contention between threads.

• ConcurrentHashMap provides atomic operations like putIfAbsent(), ...read more
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Q1. Solid principles and multithreading
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Q1. Past work experience and salary expectations
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