Naming conventions Rules and Special characters in java

Naming conventions Rules:-

1)      Package names in java are written in all small letters

  EX: - java.awt;

                      java.io;

                      javax.swing;

2)      Each word of a class name and interface name start with a capital letter.

EX: - String, DataInputStream, ActionListener

3)      Method names starts with a small letter, then each word starts with a capital letter.

EX: - readLine( ); , getNumberInstance( );

4)      Variable names also follow the above rules.

EX: - age, empName, employee_Net_Sal;

5)      Constants should be written using all capital letters.

EX: - PI, MAX-VALUE, Font.BOLD;

Here Font is a class, BOLD is a constant.

6)      All key words should be written in all small letters.

EX: - public, static, void, main etc…

Special Characters:-

  Charecter                                                                     Meaning

                \n                                                                       next line

                \t                                                                             tab

                \v                                                                              enter

                \b                                                                       back space

                \\                                                                                \

                \”                                                                                “

                \’                                                                             ‘