The error non static variable cannot be referenced from a static context in Java is mostly faced by the beginners at the time of compilation of Java program. The reason to occur this error is that they use a non-static member variable in the main() method.
What does Cannot be referenced from a static context mean?
The non-static variable cannot be referenced from a static context is compiler error that occurs when the user tries to put program code to access a non-static variable inside main in Java that is static.
How to convert static to non-static variable in Java?
i.e. referring a variable using static reference implies to referring using the class name. But, to access instance variables it is a must to create an object, these are not available in the memory, before instantiation. Therefore, you cannot make static reference to non-static fields(variables) in Java.
Why non-static method Cannot be referenced from a static context?
Instance Variables: Instance variables are non-static variables and are declared in a class outside any method, constructor or block. As instance variables are declared in a class, these variables are created when an object of the class is created and destroyed when the object is destroyed.