LogicMonitor Senior Java Developer Interview Questions and Answers

It was combination of mcqs and 2 coding questions

Q1. What is oops concepts
Ans. 
Object-oriented programming concepts that focus on objects and classes for better code organization and reusability.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation det...read more
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Q2. Difference between java nd putjon
Ans. 
Java is a programming language while Putjon is not a recognized term in software development.
• Java is a widely used programming language for developing applications.

• Putjon is not a recognized term in software development, it may be a typo or a specific term not commonly used.

• There is no direct comparison between Java and Putjon as they are not related.
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Q3. Tell about ur project
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Q1. What are your strengths
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Q2. What is ur greatest comeback
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Q1. Design patterns, Collections
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Q2. Spring Boot, Annotations, controller class, hibernate
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Q1. Implement tail f
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Coding test was medium to hard leetcode problems.

Q1. What is let, const and var?
Ans. 
let, const, and var are keywords used for variable declaration in JavaScript.
• let is block-scoped and can be reassigned.

• const is block-scoped but cannot be reassigned.

• var is function-scoped and can be reassigned.
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Q1. String palindrome
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Q2. Find all anagrams in a string
Ans. 
Find all anagrams in a string
• Create a hashmap to store the frequency of characters in the input string

• Iterate through the input string and check if the frequency of characters matches the hashmap for each substring of the same length

• Store the substrings that are anagrams in an array and return it
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Q1. What is oobjct oriented programmin?
Ans. 
Object-oriented programming 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 complex problems.

• Encapsulation is a key feature where data is kept private within the object and can only be accessed through public methods.

• Inheritance allows objects to inherit attri...read more
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Q2. What is difference between delegate and protoxole
Ans. 
Delegates are used in C# for implementing events and callbacks, while protocols are used in Objective-C for defining methods that a class must implement.
• Delegates are a type-safe function pointer in C#.

• Protocols are similar to interfaces in other languages, defining a set of methods that a class must implement.

• Delegates are used for implementing events and callbacks in C#.

• Protocols are used in Objective-C for defining
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