V SOLVE INDIA Interview Questions and Answers

Spring is a Java framework for building enterprise applications. Spring Boot is a tool that simplifies the setup and development of Spring applications.

• Spring is a powerful Java framework used for building enterprise applications.

• It provides comprehensive infrastructure support for developing Java applications.

• Spring Boot is an extension of the Spring framework that simplifies the setup and development of Spring applications.

• It allows for rapid application development by prov...read more

Java is a high-level programming language used for developing applications. OOPs is a programming paradigm based on objects.

• Java is platform-independent and can run on any device with a JVM.

• OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation is the process of hiding data and methods within a class.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects to take on multiple forms.

• Abstr...read more

int is a primitive data type in Java, while Integer is a wrapper class for int.

• int is a primitive data type, while Integer is a class in Java.

• int has a default value of 0, while Integer can be null.

• int cannot be used in collections like ArrayList, while Integer can be.

A machine is a device that uses energy to perform a specific task or function.

• Machines can be simple or complex, and can be powered by electricity, fuel, or human effort.

• Examples of machines include cars, computers, washing machines, and power tools.

• Machines have revolutionized many industries and have greatly increased productivity.

• Machines can also be used in medical settings, such as MRI machines and X-ray machines.

• Machines can be designed for specific purposes, such as ma...read more

Java OOPs concepts include inheritance, polymorphism, encapsulation, and abstraction.

• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only exposes necessary methods.

• Abstraction focuses on the essential features of an object while hiding the implementation details.