Chapter 6, Problem 29PE

Program Plan Intro

Swapping columns

Program plan:

SwapCols.java

• Definition of class “SwapCols”
  • Define the method “swapCows()”.
    • Declare the variable “rowVal”.
    • Check whether the “rowVal” reaches the length of the array.
      • Assign the row values to the temporary array.
    • Check whether the “rowVal” reaches the length of the array.
      • Assign the temporary values to column 1.
    • Check whether the “rowVal” reaches the length of the array.
      • Assign the temporary values to the column 2.
  • Define the method “print()”.
    • Loop till “row” is reaches the length of the array.
      • Loop till “row” is reaches the length of the array.
        • Print the array.
        • • Print new line.
  • Definition of “main()” method
    • Declare and initialize the arrays.
    • Call the method “swapRows()”.
    • Print the array values by method “print()”.
    • Declare and initialize the arrays.
    • Call the method “swapRows()”.
    • Print the array values by method “print()”.