Non-static method cannot be referenced from a static context (Java)
71276
Calling Non-Static Method In Static Method In Java
54390
"does not contain a static 'main' method suitable for an entry point"
136072
How can I use both context and threading?
51487
How to call a method stored in a HashMap? (Java)
143697
Method must have signature "String method() ...[etc]..." but has signature "void method()"
64332
avoiding null reference exceptions
289
What is a NullReferenceException, and how do I fix it?
79586
System.NullPointerException: Attempt to de-reference a null object
52703
Error message Strict standards: Non-static method should not be called statically in php
7330
Java - No enclosing instance of type Foo is accessible
13332
Calling a method on a static class given its type name and method names as strings
101449
Using methods from another class in the main?
39039
Why can't you use the keyword 'this' in a static method in .Net?
124515
Java: Non-static nested classes and instance.super()
54392
How to call getClass() from a static method in Java?
151292
Missing return statement in a non-void method compiles
96046
Static fields on a null reference in Java