coMakeIT Interview Questions and Answers

Q1. 1. OOP concepts and its properties 2. Collection Questions : a.What is hashmap b.Internal working of HashMap c.iterator in collection 3. Hierarchy of Exception and Collection
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1hour coding with aptitude and coding question with easy,medium and hard level 3 questions

JAVA assignment at office with teams

Q1. Rest API methods - GET,PUT,PATCH,POST,HEAD Singleton pattern and class ACID properties SOLID principles Hibernate Cache and lazy loading
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Q2. Drop,Truncate,Delete difference Index and how to create Custom Index
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Q3. How to call Asynchronous apis in spring boot
Ans. 
Asynchronous APIs can be called in Spring Boot using CompletableFuture and @Async annotation.
• Use CompletableFuture to execute asynchronous tasks and return a future object

• Use @Async annotation to mark a method as asynchronous

• Configure a task executor to run asynchronous tasks

• Example: CompletableFuture.supplyAsync(() -> { //asynchronous task }).thenApplyAsync(result -> { //process result });

• Example: @Async public Comple...read more
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Q4. Stereotype annotations in spring
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Stereotype annotations in Spring are used to define custom annotations that can be used to simplify configuration and reduce boilerplate code.
• Stereotype annotations are used to group related components together.

• They can be used to define custom annotations that can be used to simplify configuration.

• Examples of stereotype annotations include @Controller, @Service, and @Repository.

• These annotations are used to identify c...read more
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Q1. Sorting algorithm
Ans. 
Sorting algorithms are used to arrange elements in a specific order.
• Sorting algorithms can be categorized as comparison-based or non-comparison-based.

• Examples of comparison-based sorting algorithms include bubble sort, merge sort, and quick sort.

• Non-comparison-based sorting algorithms include counting sort, radix sort, and bucket sort.
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Q2. Basic Arrays question
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Q1. Aptitude and puzzle
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Q2. Technologies interested to work with
Ans. 
I am interested in working with technologies such as Java, Python, AWS, and Docker.
• Java

• Python

• AWS

• Docker
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