Shit

package code;

public class Main {
    public static void drawTriangle1(int numOfRows) {
        for (int i=1; i<=numOfRows; i++) { // *
            for (int j=1; j<=i; j++) {     // **
                System.out.print("*");     // ***
            }                              // ****
            System.out.println();          // *****
        }
    }

    public static void drawTriangle2(int numOfRows) {
            // *****
            // ****
            // ***
            // **
            // *
        for (int i=numOfRows-1; i>0; i--) {
            for (int j=1; j<=i; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }

    public static void drawTriangle3(int numOfRows) {
        // *****
        //  ****
        //   ***
        //    **
        //     *
        for (int i=2; i<=numOfRows; i++) {
            for (int j=1; j<=numOfRows; j++) {
                if (j < i) System.out.print(" ");
                else System.out.print("*");
            }
            System.out.println();
        }
    }

    public static void drawTriangle4(int numOfRows) {
        //     *
        //    **
        //   ***
        //  ****
        // *****
        for (int i=numOfRows; i>0; i--) {
            for (int j=1; j<=numOfRows; j++) {
                if (j >= i) System.out.print("*");
                else System.out.print(" ");
            }
            System.out.println();
        }
    }

    public static void drawRectangle(int numOfRows) {
        // *   *
        // *   *
        // *   *
        // *   *
        for(int i=1; i<=4; i++) {
            System.out.print("*");
            for (int j=2; j<numOfRows; j++) {
                System.out.print(" ");
            }
            System.out.println("*");
        }
    }

    public static void main(String[] args) {
        int numOfRows = 10;

        // First picture
        drawTriangle1(numOfRows);
        drawTriangle2(numOfRows);
        System.out.println();

        // Second picture
        drawTriangle1(numOfRows);
        drawTriangle3(numOfRows);
        System.out.println();

        // Third picture
        drawTriangle4(numOfRows);
        drawTriangle3(numOfRows);
        System.out.println();

        // Fourth picture
        drawTriangle4(numOfRows);
        drawTriangle2(numOfRows);
        System.out.println();

        // Fifth picture
        drawTriangle4(numOfRows);
        drawRectangle(numOfRows);
        drawTriangle3(numOfRows);
        System.out.println();

        // Sixth picture
        drawTriangle4(numOfRows);
        drawRectangle(numOfRows);
        drawTriangle2(numOfRows);
    }
}