4.4 Solutions

void setup()
{
   int width = getInt("Please enter the width");
   for (int i = 1; i <= width; i++)
   {
      for (int j = 1; j <= i; j++)
        print("*");
      println();
   }
   for (int i = width - 1; i >= 1; i--)
   {
      for (int j = 1; j <= i; j++)
        print("*");
      println();
   }
} 

for (int i = 1; i <= 5; i++)
{
  for (int j = 1; j <= i; j++)
    print(j);
  println();
} 

for (int i = 5; i > 0; i--)
{
  for (int j = 5; j > i; j--)
    print(" ");
  for (int j = i; j >= 1; j--)
    print(j);
  println();
}