ExamHoot
8 / 10Java-variables and data typesHardJava

What is the range of values that can be stored in a `byte` data type in Java?

  1. 0 to 255

  2. -127 to 128

  3. -128 to 127

  4. -256 to 255

  5. -128 to 128

Show answer & explanation

Correct answer

-128 to 127

Explanation

`byte` is an 8-bit signed two's complement integer. Its range is from -128 to 127 inclusive, which is −27-2^{7} to 27−12^{7} - 1.

Written by ExamHoot EditorialPublished · Updated

All 10 Java-variables and data types questions

  1. 1.Which of the following declarations correctly initializes a `char` variable with the Unicode value corresponding to the Greek letter omega…
  2. 2.Consider the following code:
  3. 3.Which of the following assignments is guaranteed to compile without loss of precision?
  4. 4.Given:
  5. 5.What is the output of the following code?
  6. 6.Which of the following is a valid declaration for a multi-dimensional array of `double` with 3 rows and 4 columns, where all elements are…
  7. 7.Consider the following:
  8. 8.What is the range of values that can be stored in a `byte` data type in Java?
  9. 9.Which of the following statements about the `final` keyword with primitive variables is true?
  10. 10.Given the following code, what is the value of `result`?