How to solve "Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference"?
49
What is a NullPointerException, and how do I fix it?
37988
System.NullPointerException: Attempt to de-reference a null object:
68570
Java toString() using reflection?
82423
java.lang.StringIndexOutOfBoundsException: String index out of range
20020
NullPointerException accessing views in onCreate()
39810
What is "string[] args" in Main class for?
78586
Why doesn't "System.out.println" work in Android?
35129
Why does String.valueOf(null) throw a NullPointerException?
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
13711
java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
11458
NullReferenceException in Unity
131308
Use cases for Object.create(null)
55830
What's the rationale for null terminated strings?
46857
Compiler warning: null reference exception
5640
How to check a string against null in java?
43446
JSONException: Value of type java.lang.String cannot be converted to JSONObject
289
What is a NullReferenceException, and how do I fix it?