OodlesTechnologies Software Engineer and Java Developer Interview Questions and Answers

Q1. What is oops?what is concept of oops? What is multithreading?
Ans. 
OOPs is a programming paradigm based on the concept of objects. Multithreading is the ability of a CPU to execute multiple threads concurrently.
• OOPs stands for Object-Oriented Programming.

• It is based on the concept of objects, which have properties and methods.

• Encapsulation, inheritance, and polymorphism are the main concepts of OOPs.

• Multithreading is the ability of a CPU to execute multiple threads concurrently.

• It all...read more
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Q2. What is exception? What is interface?
Ans. 
Exception is an event that occurs during the execution of a program and disrupts the normal flow of instructions.
• Exceptions are used to handle errors and other exceptional events in Java programming.

• They are objects that are thrown at runtime and can be caught and handled by the program.

• Examples of exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException.
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Q3. What is local ,final,static variable? What is exception handling?
Ans. 
Local, final, and static are types of variables in Java. Exception handling is a way to handle errors in code.
• Local variables are declared within a method and have limited scope.

• Final variables cannot be changed once assigned a value.

• Static variables belong to the class and are shared by all instances of the class.

• Exception handling is a way to handle errors in code and prevent program crashes.

• Try-catch blocks are used...read more
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Q4. What is database? What is RDBMS? What is DBMS? Use of select,where clause? What is joins?
Ans. 
A database is a collection of data that is organized in a specific way. DBMS is a software that manages the database. RDBMS is a type of DBMS that uses a relational model.
• DBMS manages the storage, retrieval, and modification of data in a database.

• RDBMS uses a relational model to organize data into tables with rows and columns.

• SELECT statement is used to retrieve data from a database.

• WHERE clause is used to filter data ...read more
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Q1. Why are you looking for a change?
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Q2. Where do you see yourself in 5 years?
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Q3. What are your strengths and weaknesses?
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Q4. What are your salary expectations?
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Q5. What is your family background?
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Q6. Why should we hire you?
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Q7. Tell me about yourself.
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Q1. Basic questions of java.
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Q1. Intro and other hr related questions.
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Puzzles, Psychometric Test

Q1. Some water in 3 Jars question, you had to measure out 5L correctly
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First round was coding as well as aptitude done together went well I guess focusing on codes helps a lot.

Q1. 2nd round included tr and mr round went quite enegritic
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