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+## Modifiers
+### Intro: 
+
+| Modifier | Description |
+| --- | --- |
+| public | Accessible from any other class |
+| private | Accessible only within the class they are declared |
+| protected | Accessible within the package and outside the package but through inheritance only |
+| static | Belongs to the class rather than the object |
+| final | Value can't be changed |
+| abstract | Can't be instantiated |
+| synchronized | Threads handle the method or block of the method sequentially |
+| volatile | Value can be modified by different threads |
+| default | No modifier specified, accessible within the same package |
+
+### Explanation
+
+`public`: You can access a variable/function from any package/class doesnt need to extend/impl
+
+`protected`: It extends visibility to subclasses regardless of their package however it should extend/impl the class or it wont work
+
+`default`: Its limited to the same package (you cant access it from sub-packages)
+
+`private` : You can only access it from the same class
+
+`static`: This means when you have an object (an instance of a class) the function/data is for the class not the object meaning if you run it 1000 times it wont change based on what the object gives. Its completely static to the class
+
+`final`: Given to a variable given `API_KEY` wont change thus we will associate it with `final`
+
+`abstract`:  Acts like a blueprint. Its good for making sure subclasses are pretty synchronized in the methods they have. Also you can share functions between subclasses instead of repeating them. `interface` **Acts the same** but it also assumes everything within it is also abstract. 
+
+### Differences between `abstract`  and `interface`
+
+- You can have multiple interfaces but only one abstract method
+- Fields inside interfaces are both `static` and `final` So the same values apply to each object