Are Java Primitive Variables Objects?
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The document outlines the Java language specifications related to variables, defining them as storage locations with types that can be primitive or reference types. Variables of primitive types hold exact values, whereas reference types can hold a null reference or point to instances of their class or subclasses. It also clarifies that variables themselves are not objects and includes references for further reading.
Are Java Primitive Variables Objects?
- 3. Yes Or NO!
- 5. :: DEFINITIONS :: 4.12 Variables: A variable is a storage location and has an associated type, sometimes called its compile-time type, that is either a primitive type (§4.2) or a reference type (§4.3).
- 6. :: DEFINITIONS :: 4.12.1 Variables of Primitive Type: A variable of a primitive type always holds a value of that exact primitive type.
- 7. :: DEFINITIONS :: 4.12.2 Variables of Reference Type: A variable of a class type T can hold a null reference or a reference to an instance of class T or of any class that is a subclass of T.
- 10. Boxing valueOf( type arg ) AutoBoxing intValue( ) charValue( ) booleanValue( ) Unboxing
- 11. :: EXAMPLE :: Integer x , y ; x = 12 ; y = 15 ; System.out.println( x + y );
- 14. Discussion
- 15. Thanks