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Re: Runtime classname of null object

Sep 24th, 2008

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Originally Posted by dickersonka

I am working on a logger showing showing types and values for classes and sql statements (ie parameters in sql statements)

From the example above I will need to show output as something like
Long: null and BIGINT: null

What is a possible recommendation to be able to do this?

Should I create overloaded methods for each type or pass in the class at runtime? Any other suggestions are welcome and thanks for your help!!!

This might help--

 Help with Code Tags 
 java Syntax (Toggle Plain Text) 
public class NullTest{
 
	public static void main(String... args){
 
		Object obj = null;
		System.out.println(determineNull(obj));
		obj = new Object();
		System.out.println(determineNull(obj));
	}
 
	private static String determineNull(Object o){
		return (o == null) ? "Object is null": "Object is not null";
	}
}
public class NullTest{
	
	public static void main(String... args){
		
		Object obj = null;
		System.out.println(determineNull(obj));
		obj = new Object();
		System.out.println(determineNull(obj));
	}

	private static String determineNull(Object o){
		return (o == null) ? "Object is null": "Object is not null";
	}
}