Let's assume List is an interface with the following methods defined for it: interface List{ void...

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Let's assume List is an interface with the following methods defined for it: interface List{ void addFirst(item); void addLast(item); Item removeFirst(); Item getFirst(); } int length(); What is the result of executing this code: list = new List(); Let's assume List is an interface with the following methods defined for it: interface List{ void addFirst(item); void addLast(item); Item removeFirst(); Item getFirst(); } int length(); What is the result of executing this code: list = new List();