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Passing Null In Println Function In Java

In this article, we will see what will happen if we pass null in println function in Java.

Passing Null In Println

When null will be passed in println, it will give following error - The method println(char[]) is ambiguous for the type PrintStream.

Reason

Println function have multiple signatures where we can pass a variable of type char[], string and object as parameter. The value null could be a character array, string or object. So, the compiler gets confused which method to call.

Picture showing the compile time error when null is passed in println

Click to Enlarge

Posted By -	Karan Gupta

Posted On -	Saturday, October 7, 2017

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