JAVA Arrays Online Test

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Instructions:

  • Total number of questions: 10.
  • Time allotted: 10 minutes.
  • Each question carries 1 mark.
  • No negative marks.
  • DO NOT refresh the page.
  • All the best :-)

What You Will Learn:

This Java Arrays Online Test helps you to Boost your Knowledge in Java. In this test, we cover topics in the form of questions like:
  • 1D array declaration, allocation, index bounds (0 to length - 1), and fixed-size nature.
  • ArrayIndexOutOfBoundsException causes and boundary checking.
  • Default element values upon allocation (0 for numeric types, null for object references).
  • Multidimensional and jagged (ragged) arrays where sub-arrays have different lengths.
  • Utility operations with java.util.Arrays (sort, binarySearch, copyOf, and equals).
  • Arrays as first-class objects inheriting directly from java.lang.Object.

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