1.public class Project1
{
    public static void main(String [] args)
    {
            for(int row=0; row<=6; row++)
            {
                   for(int star1=1; star1<=-1*row+6; star1++)
                   {
                       System.out.print("*");
                   }
                   for(int blank1=1; blank1<=row+1; blank1++)
                   {
                       System.out.print(" ");
                   }
                   for(int fslash=1; fslash<=-2*row+12; fslash++)
                   {
                       System.out.print("/");
                   }
                   for(int bslash=0; bslash<=row*2;bslash++)
                   {
                       System.out.print("\\");
                   }
                   for(int blank2=1;blank2<=row+1;blank2++)
                   {
                       System.out.print(" ");
                   }
                   for(int star2=1; star2<=-1*row+6;star2++)
                   {
                       System.out.print("*");
                   }
                   System.out.println("");
            }
     }
}
4.public class project4
{
    public static void main(String[] args)
    {
        line();
        System.out.println("");
        top1();
        top2();
        line();
    }
    public static void line()
    {
        System.out.print("|\"\"\"\"\"\"\"\"\"\"|");
    }
    public static void top1()
    {
        for(int row=1; row<=4; row++)
        {
            for(int blank1=1; blank1<=row; blank1++)
            {
                System.out.print("");
            }
            System.out.print("\\");
            for(int dots=1; dots<=-2*row+10;dots++)
            {
                System.out.print(":");
            }
            System.out.print("/");
            System.out.println("");
        }
    }
    public static void top2()
    {
        for(int row=1; row<=4; row++)
        {
            System.out.print("/");
            for(int dots=1; dots<=2*row; dots++)
            {
                System.out.print(":");
            }
            System.out.print("\\");
            System.out.println("");
        }
    }
}