java naming conventions

1Methods should be verbs, in mixed case with the first letter lowercase, 
2with the first letter of each internal word capitalized.
3Example:
4run();
5runFast();
6getBackground();

1
2// Class //
3It should start with the uppercase letter.
4It should be a noun such as Color, Button, System, Thread, etc.
5Use appropriate words, instead of acronyms.
6Example:
7public class Employee  
8{  
9//code snippet  
10}  
11
12// Interface //
13It should start with the uppercase letter.
14It should be an adjective such as Runnable, Remote, ActionListener.
15Use appropriate words, instead of acronyms.
16Example:
17interface Printable  
18{  
19//code snippet  
20}  
21
22// Method //
23It should start with lowercase letter.
24It should be a verb such as main(), print(), println().
25If the name contains multiple words, start it with a lowercase letter followed by an uppercase letter such as actionPerformed().
26Example:
27 class Employee  
28{  
29//method  
30	void draw()  
31	{  
32//code snippet  
33	}  
34} 
35
36// Variable //
37It should start with a lowercase letter such as id, name.
38It should not start with the special characters like & (ampersand), $ (dollar), _ (underscore).
39If the name contains multiple words, start it with the lowercase letter followed by an uppercase letter such as firstName, lastName.
40Avoid using one-character variables such as x, y, z.
41Example :-
42  class Employee  
43{  
44//variable  
45	int id;  
46//code snippet  
47}
48
49// Package //
50It should be a lowercase letter such as java, lang.
51If the name contains multiple words, it should be separated by dots (.) such as java.util, java.lang.
52Example:
53package com.javatpoint; //package  
54class Employee  
55{  
56//code snippet  
57}
58
59// Constant //
60It should be in uppercase letters such as RED, YELLOW.
61If the name contains multiple words, it should be separated by an underscore(_) such as MAX_PRIORITY.
62It may contain digits but not as the first letter.
63Example:
64class Employee  
65{  
66//constant  
67 	static final int MIN_AGE = 18;  
68//code snippet  
69}
70
71