Questions

An index is an optional structure associated with a table to have direct access to rows, which can be created to increase the performance of data retrieval. Index can be created on one or more columns of a table.

The Dowry Prohibition (Amendment) Act came into force from october2, 1985. This made the original Act more stringent and effective.

Here in this declaration public static void main string[] args, each keyword has its importance.

1. public - Here public is an access specifier which allows the main method to be accessible everywhere.

2. static - static helps the main method to get loaded without getting called by any instance/object.

3. void - void clarifies that the main method will not return any value.

4. main - It's the name of the method.

5. String[] args - Here we are defining a String array to pass arguments at the command line. args is the variable name of the String array.

Encapsulation, Object class and instance.