Differences between member variables and local variables

What are the differences between member variables and local variables ？

public class Clothes
{
    
String id; // Instance variables 
private String colorType; // Instance variables 
private int size; // Instance variables 
private static String depart; // Class variables 
final String design="yangzi"; // Constant 
}

Instance variables in code 、 Class variables （ Static variables ）、 Constants belong to member variables .
Local variables are methods （ function ） Variables temporarily defined in .

1. In terms of grammatical form : Member variables belong to classes , Local variables are defined in the method or parameters of the method ; Member variables can be public,private,static Decorated by modifiers such as , Local variables cannot be modified by access control modifiers and static Modified ; however , Both member variables and local variables can be final Modified .
2. From the way variables are stored in memory : If the member variable is using the static Embellished , Then this member variable belongs to the class , If not used static modification , This member variable belongs to the instance . And objects exist in heap memory , Local variables exist in stack memory .
3. In terms of the lifetime of variables in memory : Member variables are part of an object , It exists as objects are created , Local variables disappear automatically with the method call .
4. If a member variable is not given an initial value : The default value of the type is automatically assigned （ One exception is : By final The decorated member variable must also be explicitly assigned ）, Local variables are not assigned automatically .