Why does it show NullPointerException when I take a File Array as the method arguments in this program?
49
What is a NullPointerException, and how do I fix it?
17917
Is there a difference between main(String args[]) and main(String[] args)?
43630
Is Object constructor called when creating an array in Java?
141129
InputStream returning NullPointerException (Java)
41975
How to pass a function as a parameter in Java?
10867
How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?
8283
Why does null reference print as "null"
72705
Java reading a file into an ArrayList?
13178
Arrays.asList() of an array
35129
Why does String.valueOf(null) throw a NullPointerException?
39810
What is "string[] args" in Main class for?
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?
77537
Why does main method in Java always need arguments?
33244
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
105261
What's the reason I can't create generic array types in Java?
64332
avoiding null reference exceptions
79477
Why is "null" present in C# and Java?