Intro to Multi-dimensional Arrays

Outline

  1. Return PA5, exam
  2. Preview PA6
  3. Review from the exam
    1. Go over answers 1, 2, 6 (brief), 7(brief) , 8 (brief), 9
    2. Questions about 3, 4, 5?
    1. Multi-dimensional arrays.
      1. Basics of multi-dimensional arrays
        1. Row, column
        2. Length 
        3. Multi-dimensional arrays are arrays of arrays of ??

    Multi-dimensional arrays

    Examples:
    1. CorpSales.java - Demonstrates creating and filling a two dimensional array with primitive values and then totalling all elements.
    2. Lengths.java - Demonstrates the use of the length attribute and initializer lists with two dimensional arrays.
    3. MonthsDays.java - Demonstrates the array of array nature of multidimensional arrays.  The "rows" don't have to be of the same length.
    Ragged Array - An array of arrays in which the rows are of different sizes.  
    CS 239 - Spring 2011
    Department of Computer Science Nancy Harris Home Page Current Classes Link