Infosys DOT NET Programmer Interview Questions and Answers

Q1. What is a Java thread stream?
Ans. 
A Java thread stream is a sequence of data that can be read from or written to concurrently by multiple threads.
• Java thread streams allow for efficient communication between threads.

• They can be used to pass data between different parts of a program running in parallel.

• Examples of Java thread streams include InputStream and OutputStream for reading and writing data respectively.
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Q1. What are your strengths?
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My strengths include problem-solving skills, attention to detail, and strong programming abilities.
• Strong problem-solving skills - I enjoy tackling complex issues and finding creative solutions.

• Attention to detail - I am meticulous in my work to ensure high-quality results.

• Strong programming abilities - I have expertise in multiple programming languages such as Java, Python, and C++.
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Q1. String litteral,
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Q2. Collection hierarchy
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Easy to Medium difficulty with Aptitude Questions

Q1. Merge Sort was asked
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Q2. Merge sort in a linked list was asked as follow up
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Q1. Questions on DBMS and core Java were asked (Easy only)
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Q1. Basic HR questions were asked
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It is a good process.

Tell Anything about the topic.

Q1. Tell about Your Self.
Ans. 
I am a passionate software developer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Passionate about coding and problem-solving
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Q2. Any active backlogs in btech.
Ans. 
Yes, there are active backlogs in btech.
• Yes, there are active backlogs in btech as students may have pending assignments, projects, or exams.

• Students may also have backlogs in terms of failed courses that need to be cleared.

• Backlogs can affect a student's academic progress and may require extra effort to catch up.

• Some students may choose to prioritize certain subjects over others, leading to backlogs in specific areas.
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Online test which consists of java, angular, micro services related questions

Q1. Difference between static and default methods
Ans. 
Static methods belong to the class itself, while default methods are part of an interface in Java.
• Static methods can be called without creating an instance of the class, while default methods are used to provide a default implementation in interfaces.

• Static methods are defined using the 'static' keyword, while default methods are defined using the 'default' keyword in Java.

• Static methods cannot be overridden in subclas...read more
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Q1. What is java? What is variable?
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Java is a popular programming language used for developing various applications. A variable is a named memory location used to store data.
• Java is an object-oriented language

• It is platform-independent

• Variables in Java have a specific data type

• Variables can be assigned values and their values can be changed

• Example: int age = 25; String name = "John";
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Q2. What is inheritance? types of inheritance
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Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows code reuse and promotes code organization.

• There are different types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, and hierarchical inheritance.

• Single inheritance involves a class inheriting from a single base class.

• Multiple inheritance involves...read more
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Q3. 1.Java is a high level language 2.java is a programme is called a set of instructions 3.java run time environment (jre) 4.java is a platform independent. Variable: A variable which is container that some d...read more
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Q4. Inheritance; 1.Acquring the properties of parent class to the child class with out changeing the properties of parent class is known as inheritance 2.inheritanc is a is relationship 3.extends keyword is us...read more
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Inheritance is acquiring properties of parent class to child class without changing parent class properties. It is classified into 5 types.
• Inheritance is a way to reuse code and establish a relationship between classes

• The 'extends' keyword is used to implement inheritance in Java

• Examples of inheritance include a 'Car' class inheriting properties from a 'Vehicle' class

• Single level inheritance involves one parent class a...read more
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May I about you ? Which your qualification and which stream

An aptitude test is a way for employers to assess a candidates abilities through a variety of different testing formats

Q1. An interview that typically conducted by a human resources generalist at the beginning of the hiring process
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Q2. While the HR interview gets a bad reputation for being a formality
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