Java Variable Scope: Definition & Best Practices


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question 1 of 3

Where should class-level variables be declared?

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1. Examine the following code. Which answer best describes the scope issue with the variable i in the final line of code?

2. A variable is declared in class Product. Class AutoProduct is a child class of Product. Is this variable accessible in AutoProduct?

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About This Quiz & Worksheet

See what you know about dealing with variable scope in Java with this worksheet/quiz. The quiz will assess you on topics like how class-level variables are declared and how to examine a variable 'i' in a given code.

Quiz & Worksheet Goals

Answer questions on the following:

  • Whether or not a variable is accessible in AutoProduct
  • A type of variable in beanCounter code
  • How to resolve a bean counter issue

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson on dealing with variable scope in Java
  • Information recall - access the knowledge you've gained regarding AutoProduct and how it works
  • Knowledge application - use your knowledge to answer questions about bean counters, their variables and a solution to an issue involving the variable bean counter

Additional Learning

Find out more about the subject with the lesson called Java Variable Scope: Definition & Best Practices. These topics will be discussed for your benefit:

  • What global variables are
  • The term 'scope' and what it represents
  • How an instance variable is defined
  • Parameter variables and how they're sent