IDrive Backend Developer Interview Questions and Answers

Method overloading is having multiple methods in the same class with the same name but different parameters, while method overriding is redefining a method in a subclass with the same name and parameters as in the superclass.

• Method overloading involves multiple methods with the same name but different parameters.

• Method overriding involves redefining a method in a subclass with the same name and parameters as in the sup...read more

Threads in programming allow for concurrent execution of tasks. Methods like start(), join(), sleep() are used to control threads.

• Threads in programming allow for concurrent execution of tasks

• start() method is used to start a thread

• join() method is used to wait for a thread to finish before continuing

• sleep() method is used to pause a thread for a specified amount of time

Autowired annotation is used in Spring framework for dependency injection, while new keyword is used for manual object creation.

• Autowired annotation is used for dependency injection in Spring framework, allowing objects to be automatically wired together without manual instantiation.

• Using new keyword for object creation leads to tight coupling and makes the code harder to maintain and test.

• Autowired annotation promotes...read more