Asterisks.java

import java.util.*;
import java.io.*;

public class Asterisks {
    public static void main(String[] args) {
        Scanner kb = new Scanner(System.in);
        System.out.print("Enter the pattern number you would like to run: ");
        int pattern = kb.nextInt();
        int n = 7;
        char space = ' ';
        char ast = '*';
        if (pattern == 1) {
            for (int r = 1; r != n; r++) {
                for (int c = 1; c != r; c++) {
                    System.out.print(ast);
                }
                System.out.println();
            }
        }
        else if (pattern == 2) {
            for (int r = 1; r != n; r++) {
                for (int c = 1; c != n-r; c++) {
                    System.out.print(space);
                }
                for (int c = n-r; c != n; c++) {
                    System.out.print(ast);
                }
                System.out.println();
            }
        }
        else if (pattern == 3) {
            //pattern 3 is patterns 1 and 2 combined
        }
        else {
            System.out.println("Please enter pattern 1 2 or 3");
        }
    }
}