Interview Questions - Core Java

An abstract class may not be declared as final.

Numeric promotion is the conversion of a smaller numeric type to a larger numeric type, so that integer and floating-point operations may take place. In numerical promotion, byte, char, and short values are converted to int values. The int values are also converted to long values, if necessary. The long and float values are converted to double values, as required.

A public class may be accessed outside of its package. A non-public class may not be accessed outside of its package.

The default value of the boolean type is false.