<center>**LEARNING JAVA**<br><a href="https://steempeak.com/@wglenz">Published with SteemPeak</a></center>


<center>![Screenshot](https://files.steempeak.com/file/steempeak/wglenz/elYArpDm-image.png)Screenshot by Willi Glenz</center>


<center><h2>UPDATE v3</h2></center>
```
005 OPERATORS

Arithmetic		+ - * / & ++ --
Relational		== != > < >= <=
Bitwise			& | ^ ~ << >> >>>
Logical			&& || !
Assignment		= += -= *= /= %= <<= >>=  &= ^= |=
Miscellaneous	?: instanceof
```

<br>
```
004 VIMRC

$ vim ~/.vimrc
> " GENERAL
> syntax on
> filetype on
> filetype plugin on
> set laststatus=2
> set colorcolumn=80
> set nocompatible
> set number
> set relativenumber
> "set cursorline
> set incsearch
> set hlsearch
> set showmode
> set ruler
> set linebreak
> set showcmd
> set mouse=a
> set background=dark
> set encoding=utf8
> 
> " INDENT
> set autoindent
> 
> " TABs
> set tabstop=3
> set softtabstop=3
> set shiftwidth=3
> set expandtab
> 
> " MAPs
> :nmap <leader>w :w!<cr>
> :map <F2> :echo 'Current time is ' . strftime('%c')<CR>
> :map <F5> :set list!<CR>
> :map <F6> :setlocal spell! spelllang=en_us<CR>
> :ab psv public static void(String[] args) {<cr>}<esc>ko
> :ab sout System.out.println(
```
```
003 BASIC CLI-SNIPPET

public class Main {
   private String msg;

   public Main() {
      super();
      this.msg = "Hello World!";
   }

   public static void main(String[] args) {
      Main phoenix = new Main();
      phoenix.run();
   }

   public void run() {
      System.out.println(msg);
   }

}
```
```
002 PRIMITIVE DATA TYPES

TYPE		SIZE	RANGE					DEFAULT	CLASS&FIELD
byte		8 bit	-2^7 to 2^7 -1			0
short		16 bit	-2^15 to 2^15 -1		0
int			32-bit	-2^31 to 2^31 -1		0		Integer.MIN_VALUE to Integer.MAX_VALUE
long		64 bit	-2^63 to 2^63-1			0L
float		32 bit	-3.4E38 to 3.4E38		0f
double		64 bit	-1.7E308 to 1.7E308		0d
char		16 bit	'\u0000' to '\uffff'	'\u0000'
					(0 to 65,565)
boolean		1 bit							false
```
```
001 SOURCES

Bradley Kjell	chortle.ccsu.edu/java5/index.html
TutorialsPoint	www.tutorialspoint.com/java/index.htm
JavaTpoint		www.javatpoint.com/java-tutorial
IdeOne			ideone.com
```