Exception in thread "main" java.lang.NullPointerException at newproject.PG1.main(PG1.java:30)
49
What is a NullPointerException, and how do I fix it?
35129
Why does String.valueOf(null) throw a NullPointerException?
138775
Map not loading when using getLegend and showing error for getView()
79586
System.NullPointerException: Attempt to de-reference a null object
480
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
54938
Cannot invoke method or retrieve property from null object. Object returned by the following call stack is null. \"File\r\n\"
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
96311
NullPointerException when installing the Android SDK on Mac OS X
46857
Compiler warning: null reference exception
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
108336
Nullable Object must have a value #2
80631
NullPointerException but compiling?
18116
java.lang.IllegalArgumentException: The servlets named [X] and [Y] are both mapped to the url-pattern [/url] which is not permitted
87728
ArgumentNullException or NullReferenceException from extension method?
124773
NullPointerException when calling service in onResume
72467
java.lang.System error in Console()
93489
How to resolve javax/mail/MessagingException?