NAMING CONVENTIONS IN JAVA

1. Naming a class, interface, enum

• Class name should be "noun", because it represents things.
• Class name should be in title case which means every word's first letter should be capital letter.
• For example : Bank, Customer, Animal, StringWordsFinder, PrintStream.

2. Naming Variable

• Variable name also should be a "noun" because it represents values.
• In variable name, "first word first letter should be small and after that every word's first letter should be capital"
• For example : customerName, username, password, balance, minimumBalance.
• In final variable all the letters should be capital and words must be connected with "_". For example : MIN-BALANCE, PI, RED, BLUE etc

3. Naming Methods

• Method name should be a "verb", because it represents action.
• In method name, "first word first letter should be small and after that every word first letter should be capital and should follow () ".
• For example : getUsername(), getPassword(), getBalance().

4. Naming Package

• All letters should be small, and its length should be as short as possible.
• For exanple : io, lang, util, dao, beans, blogic etc