Language Fundamentals

Language Fundamentals

1. ASCII and Unicode

2. Separtators

   • Parentheses
     • ()
   • Braces
     • {}
   • Brackets
     • []
   • Angle brackets
     • <>
   • Semicolon
     • ;
   • Colon
     • :
   • Comma
     • ,
   • Period
     • .

3. Primitives

   • byte
     • -128 to 127
   • short
     • -32,768 to 32,767
   • int
     • -2,147,483,648 to 2,147,483,647
   • long
     • a = 100000L,
   • float
     • Sufficient for storing 6 to 7 decimal digits
   • double
     • Sufficient for storing 15 decimal digits
   • char
     • a, &, 9
   • boolean
     • true or false

4. Variables

   • Reference Types
   • Primitive Types

5. Constant

6. Literals

   • Integer Literals
     • byte
     • short
     • int
     • long
   • Floating - Point Literals
     • Float
     • double
   • Boolean Literals
     • true
     • false
   • Character Literals
     • Unicode
       • a,b,c,d,e,....z
       • ㄱ,ㄴ,ㄷ,ㄹ....
     • escape sequence
       • \b ,\t, \\, \' ,\" ,\n ,\r