Exception in thread "Timer-0" java.lang.NullPointerException
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What is a NullPointerException, and how do I fix it?
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my timer in eclipse did not work properly
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How do I time a method's execution in Java?
31537
Checking for null before event dispatching... thread safe?
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InputStream returning NullPointerException (Java)
81518
Find out what variable is throwing a NullPointerException programmatically
37988
System.NullPointerException: Attempt to de-reference a null object:
35129
Why does String.valueOf(null) throw a NullPointerException?
93104
What is a NumberFormatException and how can I fix it?
137692
NullPointerException when working with arrays
96453
Caught Throwable or Exception is null
79586
System.NullPointerException: Attempt to de-reference a null object
14339
How to restart thread in java?
101059
Android - android.os.NetworkOnMainThreadException
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
73120
Nullpointerexception when trying to send data from activity to class
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?