Java: Float vs. Double


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question 1 of 3

Floats and doubles are considered _____ numbers.

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1. Which number best represents the value of a float data type?

2. Float and double are stored as _____ in the computer's memory.

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About This Quiz & Worksheet

Understanding what float and double data types are, is important to Java programming because they are core to the Java programming language. This assessment will provide you with a way to test your understanding of what float and double are, their size, and examples of them.

Quiz & Worksheet Goals

Use this assessment to test your understanding of:

  • What float and double are
  • Representations of float data types
  • How float and double data is stored
  • How many bytes of data a double can hold
  • The size of a float

Skills Practiced

As you complete this assessment you will test the following skills:

  • Interpreting information - verify that you can read information regarding what float and double are in Java and interpret it correctly
  • Defining key concepts - ensure that you can accurately define main phrases, such as the size of float and double data types
  • Knowledge application - use your knowledge to answer questions about how float and double data are stored

Additional Learning

For a quick review of what float and double data is in Java, complete the lesson Java: Float vs. Double. This assessment will help you study:

  • The concept of a primitive data type
  • Usefulness of float and double data types
  • How the use of float differs from the use of double