Method hollowRectangle

0_JavaProgrammingBasics/Patterns/Patterns.java:3–14

(int n, int m)

public class Patterns {
    //Hollow Rectangle
    public static void hollowRectangle(int n, int m) {
        for(int i=1; i<=n; i++) {
            for(int j=1; j<=m; j++) {
                if(i == 1 || j == 1 || i == n || j == m) {
                    System.out.print("*");
                } else {
                    System.out.print(" ");
                }
            }
            System.out.println();
        }
    }

    public static void inverted_rotated_halfPyramid(int n) {
        for(int i=1; i<=n; i++) {