Infosys Interview Questions, Process, and Tips for Experienced

String pool is a mechanism in programming languages where strings are stored in a shared memory area to save memory and improve performance.

• String pool helps in reducing memory usage by storing only one copy of each unique string.

• Strings in the pool can be easily shared among different parts of the program.

• In Java, string literals are automatically stored in the string pool.

• Example: String str1 = "Hello"; String str2 =...read more

The flow of a Springboot Application involves the initialization of the application context, handling HTTP requests, processing business logic, and returning responses.

• Initialization of the application context using annotations like @SpringBootApplication

• Handling HTTP requests through controllers annotated with @RestController

• Processing business logic in service classes annotated with @Service

• Interacting with databases...read more

Different types of extractors include mechanical extractors, chemical extractors, and biological extractors.

• Mechanical extractors use physical force to extract substances from a mixture, such as pressing or grinding.

• Chemical extractors use solvents or other chemicals to separate desired compounds from a mixture.

• Biological extractors use living organisms or enzymes to extract specific compounds from a mixture.

• Examples i...read more

Delegates are a type-safe function pointers used in C# to reference methods.

• Delegates allow methods to be passed as parameters

• Delegates can be used to define callback methods

• Delegates are used in event handling in C#

Encapsulation is the concept of bundling data and methods that operate on the data into a single unit, known as a class.

• Encapsulation helps in hiding the internal state of an object and only exposing the necessary functionalities through methods.

• It allows for better control over the data by preventing direct access from outside the class.

• Encapsulation also helps in achieving data abstraction and information hiding.

• Exam...read more