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The 'this' keyword in Java refers to the current instance of the class.
Used to refer to the current object within a method or constructor
Can be used to differentiate between instance variables and local variables with the same name
Can be used to invoke current class constructor
Example: this.variableName = value;
BufferedReader is used to read text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
BufferedReader is used to read text from a character-input stream efficiently.
It buffers characters to provide efficient reading of characters, arrays, and lines.
It is often used in conjunction with InputStreamReader for reading input from a file or network
Thy give system task
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posted on 13 Aug 2024
posted on 14 Sep 2024
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.
Prepare for lektik by studying algorithms, data structures, and practicing coding challenges.
Study algorithms and data structures thoroughly
Practice coding challenges on platforms like LeetCode or HackerRank
Review common interview questions and practice explaining your thought process
Mock interviews with peers or mentors to simulate the interview experience
posted on 9 Feb 2024
I applied via Campus Placement
Sql and dsa questions online assessment
Object-oriented programming concepts include encapsulation, inheritance, and polymorphism.
Encapsulation: bundling data and methods together in a class
Inheritance: creating new classes from existing ones, inheriting their properties and behaviors
Polymorphism: objects of different classes can be treated as objects of a common superclass
Example: Encapsulation - a class 'Car' with private variables 'make' and 'model', and ...
Covers basics aps around 15 question
DSA based questions from leetcode easy and medium
I applied via Indeed and was interviewed before Jun 2020. There were 5 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2023. There were 2 interview rounds.
Easy to moderate question
Axios is a popular JavaScript library used for making HTTP requests.
Axios is commonly used in frontend applications to communicate with backend servers.
It supports promises and can be used in both browser and Node.js environments.
Example: axios.get('https://api.example.com/data')
Friend function is a function that is not a member of a class but has access to its private and protected members.
It is declared with the keyw...
I applied via Referral and was interviewed in Sep 2021. There were 3 interview rounds.
Solid Principles are a set of design principles for writing maintainable and scalable software.
Solid Principles consist of five principles: Single Responsibility Principle, Open/Closed Principle, Liskov Substitution Principle, Interface Segregation Principle, and Dependency Inversion Principle.
Single Responsibility Principle states that a class should have only one reason to change.
Open/Closed Principle states that sof...
Abstraction focuses on hiding implementation details, while interface defines a contract for classes to follow.
Abstraction allows us to focus on the essential features of an object, while hiding unnecessary details.
Interface defines a set of methods that a class must implement, providing a contract for how the class should behave.
Abstraction is achieved through abstract classes and interfaces in object-oriented program...
posted on 18 Oct 2024
In the coding test two sum question was asked
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