Java

Java

1. Constants

2. Primatives

   • byte, short, int, long, float, double

3. not restricted to any language

   • any language, any character
     • other countries, different character set
       • unicode consortium developed unicode
     • English speaking countries
       • only use asci
         • American Standard code for information interchange

4. OOP languages

   • non objects parts
     • true/false
     • #s and simple values

5. Variables

   • data placeholders
     • primitive types
     • reference type
       • reference to an object
   • literals
     • boolean literals
     • literals of primitive types, string literals, null literals
       • floating-point literals
         • doubles
         • float

6. character encoding

   • more efficient
   • UTF-8
     • popular for HTML
   • UTF-32
   • UTF-16

7. Separators

   • ( )
     • lists of arguments
   • { }
     • declaration, blocks, array
   • [ ]
     • array declaration
   • < >
     • parameter