Can not find my mistake, java.lang.NullPointerException: Attempt to get length of null array
49
What is a NullPointerException, and how do I fix it?
40950
Java7 ClassFormatError: Illegal local variable table length while creating the object
58054
When is it OK to catch NullPointerException?
60078
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 11
134907
Converting 'ArrayList to 'String[]' in Java
64332
avoiding null reference exceptions
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
61319
Java int[][] array - iterating and finding value
23964
Why does Java have a "NullPointerException" when there are no pointers in Java?
96453
Caught Throwable or Exception is null
85599
How do I declare an array when I don't know the length until run time?
11537
What is IndexOutOfBoundsException? How can I fix it?
48512
Placing null at the end of the List
129333
What does IndexOutofRangeException mean?
68713
Why is it Valid to Concatenate Null Strings but not to Call "null.ToString()"?
46944
Null pointer Exception - findViewById()
15113
How to use an array list in Java?