For example, a program tries to open ... In contrast, a Java method throws an object. Knowing how and when to throw exceptions is an essential aspect of effective Java programming.

Before Java SE 8, anonymous classes were ... A lambda body is not allowed to throw more exceptions than are specified in the throws clause of the functional interface method.

If zero ever becomes the denominator in a calculation, Java throws an ArithmeticException ... datelines and inconsistent date formats can cause Java to throw various DateTimeExceptions at runtime. For ...

See also: NullPointerException in Java – Explaining the Billion Dollar Mistake A good example would be the FileNotFoundException ... your application might understandably throw an exception.