Java Variable Declaration

/**java Naming conventions
* variable, method name:
* First Letter Lowercase + hump named for example: Agenew/runrun ();
* Constant: Uppercase + underline for example: Max_speed
* Class Name: First Letter Capital + hump Name Hair Example: Goodmain
* */

/**
* Variables are the most basic storage unit of the program
* Local Variables: variable scopes defined within a method or statement block within the scope of this method
* Must be initialized before use
* */
public static void TestVariable () {
int x,y,z;//declare more than one at a time
int a;//declares a suggestion that each line declares a
int b=12;//Direct Initialization
Final int max_speed=120;//constants can only be initialized once generally defined as uppercase use "_" to differentiate two words
}

Java Variable Declaration