if a functional interface has one abstract method and tostring abstract method does it still called as functional interface?

Is it possible to create a try-catch block inside a catch/finally block?

'finally' block will always execute, regardless of whether an exception is thrown or caught

If a 'try' block has a 'finally' block, the return statement inside the 'try' block will execute after the 'finally' block executed.

Years of Experience

What happens if a method Throws a Checked exception but does not handle it or declare it with Throws?

In a try-catch block, what happens if you place the Exception class before a subclass like ArithmeticException

Multiple threads in Java can share the same object.

A thread in Java can only be in one of two states: running or terminated.

A single Java application can create unlimited threads.