How to solve “Exception in thread ”main“ java.lang.NullPointerException”
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What is a NullPointerException, and how do I fix it?
11537
What is IndexOutOfBoundsException? How can I fix it?
7176
How to deal with "java.lang.OutOfMemoryError: Java heap space" error?
121849
Exception in thread "main" java.lang.NoClassDefFoundError
89487
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
58747
How can I pass a parameter to a Java Thread?
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
20020
NullPointerException accessing views in onCreate()
156764
I get exception when using Thread.sleep(x) or wait()
13711
java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
40818
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
37988
System.NullPointerException: Attempt to de-reference a null object:
24517
MVC Spring Implementation - error: java.lang.NullPointerException
141129
InputStream returning NullPointerException (Java)
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
133947
How to catch an Exception from a thread
87189
System.NullPointerException