Interview Questions - Advanced Java

145.
What is the Set interface?
The Set interface provides methods for accessing the elements of a finite mathematical set. Sets do not allow duplicate elements.

146.
What classes of exceptions may be thrown by a throw statement?
A throw statement may throw any expression that may be assigned to the Throwable type.

147.
What are E and PI?
E is the base of the natural logarithm and PI is mathematical value pi.

148.
Are true and false keywords?
The values true and false are not keywords.