Language Fundamentals

Language Fundamentals

1. Primitives

   • First six (byte, short, int, long, float, double) represent numbers. They are used for different purposes so knowing when to use them is important.
   • Char and boolean are the last two with Char being used for single Unicode characters and boolan only being used for true or false states

2. Variables

   • Data placeholders. There are reference types(refers to an object) and primitive types(holds a primitve).
   • Uses Sun's Naming Convention. Short but meaningful, with subsequent words starting with capital letters

3. Literals

   • Integer Literals
     • used to assign values to byte, short, int, and long types of variables.
   • Floating-Point Literals
   • Boolean Literals: Only holds two values, true or false.
   • Character Literals
     • A character enclosed in single quotes

4. Constants: Variables who values can't be changed. Are declared by the keyword final.