Answers for "how to declare any variable as object wrapper corresponding to its primitive data type"

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primitive vs wrapper classes in java

Differences: 
				1. Wrappers classes are object 
				2. null can only be assigned to classes
				3. Wrapper class does have methods
				4. Primitives does have default values
						default value of primitives:  
								 byte, short, int, long ==> 0
								 float, double ==> 0.0;
								 boolean ==> false;
								 char ==> space		 
				5. Default values of wrapper class: null

Posted by: Guest on December-05-2020

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