LTIMindtree Senior Java Developer Interview Questions, Process, and Tips

Use Streams to remove duplicates and retain only even numbers from an array.

• Convert the array to a stream using Arrays.stream()

• Use distinct() to remove duplicates

• Filter out odd numbers using filter()

• Collect the result using collect(Collectors.toList())

Static methods can be accessed without creating an instance of the class, while final keyword makes the method unchangeable.

• Static methods belong to the class itself, not to any specific instance

• Final keyword ensures that the method cannot be overridden in subclasses

• Static methods are commonly used for utility methods that do not require access to instance variables

• Example: Math class in Java has static methods like Ma

The @RestController annotation is used to define RESTful web services while @Controller annotation is used to define MVC controller.

• RestController is a specialized version of Controller used for RESTful web services

• RestController eliminates the need for @ResponseBody annotation

• Controller is used for traditional MVC controller functionality

• RestController returns data directly without needing to go through a view resolve...read more

Microservices are a software development technique where applications are composed of small, independent services that communicate with each other.

• Microservices allow for easier scalability and maintenance of complex applications.

• Each service in a microservices architecture can be developed, deployed, and scaled independently.

• Microservices promote flexibility and agility in software development.

• Examples of companies us...read more