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public class HollowRectanglePattern { public static void main(String[] args) { int rows = 5; int columns = 10; for (int i = 1; i <= rows; i++) { for (int j = 1; j <= columns; j++) { if (i == 1 || i == rows || j == 1 || j == columns) { System.out.print("*"); } else { System.out.print(" "); } } System.out.println(); } } }   Output   ********** * * * * * * **********