Privately sharing variable only between two classes - Java
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What is the difference between public, protected, package-private and private in Java?
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Python: Sharing global variables between modules and classes therein
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How to make a real private instance variable?
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Pre-declare all private/local variables?
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Why can't my subclass access a protected variable of its superclass, when it's in a different package?
14479
Why is the access to a private field not forbidden?
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Why is Main method private?
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Can inner classes access private variables?
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labeling a group of members as private/public in c#
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Implementing private instance variables in Javascript
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class variables is shared across all instances in python?
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Private methods in Inheritance
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Do Sub-Classes Really Inherit Private Member Variables?
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Package-private class within a .java file - why is it accessible?
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How do I use reflection to invoke a private method?
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How do you unit test private methods?
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Using var outside of a method