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How can I make a field non-serializable in java?
Is there a way to make a custom class that can have  used on it in Java, similar to an array?
How do I check if a String contains a numeric value
Java - Error when removing from an ArrayList more than once. (IllegalStateException)
Interview homework: Which is better Java ArrayList creation
how to get index from list when only part of string is contained in element?
Add an user defined object to an array - and return one of the 2 objects
Replacing an object in a ArrayList