Seven Tech Solutions Interview Questions and Answers

Const variables are immutable and can be used to declare values that won't change during runtime. String replace replaces a substring with another in a string.

• Const variables are declared using the 'const' keyword and cannot be reassigned.

• String replace can be used to replace a substring with another in a string.

• Example: const pi = 3.14; str := 'Hello World'; newStr := strings.Replace(str, 'World', 'Golang', -1);

• Exampl...read more

REST API can be implemented in both Golang and other languages using HTTP methods and JSON data format.

• In Golang, we can use third-party packages like Gorilla Mux and net/http to create REST APIs.

• We can define routes and handlers for each HTTP method like GET, POST, PUT, DELETE.

• We can use JSON encoding and decoding to send and receive data in REST API calls.

• In other languages, we can use frameworks like Flask in Python...read more

Go does not have traditional OOP concepts like classes and inheritance, but it does support some OOP principles.

• Go supports encapsulation through the use of structs and methods.

• Polymorphism can be achieved through interfaces.

• Inheritance is not supported, but composition can be used instead.

• Go also supports abstraction through the use of interfaces and packages.