ASCII and Unicode

ASCII and Unicode

1. Separators

   • ( )
   • { }
   • [ ]
   • ;
   • .
   • ,
   • :

2. Primitives: Represent numbers

   • byte
   • short
   • int
   • float
   • double
   • char
   • boolean

3. Variables:Data place holders

   • Primitive Type
     • Holds a primitive
   • Reference Type
     • Provides reference to an object

4. Literals

   • String Literals
   • Null Literals
   • Primitive Literals
     • Integer Literals
       • May be written in decimal
     • Boolean Literals
       • Has two values- True or False
     • Character Literals
       • A unicode character or escape sequence enclosed in single quotes
     • Floating-Point Literals
       • Includes a whole number part, decimal point, fractional part and optional exponent

5. Contants

   • Variables whose values cannot be changed once they're assigned.