Muziris Softech Interview Questions, Process, and Tips

Three questions regarding output prediction.

Q1. What is difference between abstract class and interface?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while interface cannot have any of these.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract for cla...read more
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Q2. What is wrapper class in java ?
Ans. 
A wrapper class in Java is a class that wraps around a primitive data type and provides additional methods and functionalities.
• Wrapper classes are used to convert primitive data types into objects.

• They provide methods to access the value of the wrapped primitive type.

• Examples include Integer, Double, Boolean, etc.
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Q3. Explain oops concept in java?
Ans. 
OOP in Java 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 problems.

• Encapsulation: Objects bundle data and methods that operate on the data together.

• Inheritance: Classes can inherit attributes and methods from other classes.

• Polymorphism: Objects can take on d...read more
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Q1. What is RDBMS What is difference between delete and truncate What is normalisation Different types of join Oops concepts
Ans. 
RDBMS stands for Relational Database Management System. It is a type of database management system that stores data in a structured format.
• RDBMS is used to manage relational databases, where data is stored in tables with rows and columns.

• Examples of RDBMS include MySQL, Oracle, SQL Server, and PostgreSQL.

• RDBMS uses SQL (Structured Query Language) for querying and managing data.

• It ensures data integrity through relation...read more
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Q2. What are the Benefits of sql
Ans. 
SQL provides benefits such as data retrieval, data manipulation, data security, and data consistency.
• Efficient data retrieval: SQL allows for quick and easy retrieval of specific data from databases.

• Data manipulation: SQL enables users to update, insert, and delete data in databases.

• Data security: SQL provides features like user authentication and access control to ensure data security.

• Data consistency: SQL helps maint...read more
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Q3. What is concurrent transaction
Ans. 
Concurrent transactions are multiple transactions that are executed simultaneously in a database system.
• Concurrent transactions can lead to issues like data inconsistency and conflicts.

• Database systems use techniques like locking and timestamping to manage concurrent transactions.

• For example, if two users try to update the same record at the same time, conflicts may arise.
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Q1. Strength and weakness Company products or client
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Q1. How many time for travel Hostel or stay in home Any friends here From where job applied
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