public class subStringTest
{
	public static void main (String[] args)
	{
		String courseName = "Java Programming";
		int nameLength = courseName.length();
		for (int i = 0; i<nameLength; i++)
		{
			System.out.print(courseName.substring(i, i+1)+ " ");
		}
		System.out.println();
		String gapLength = "";
		for (int i = 0; i<nameLength; i++)
		{
			System.out.println(gapLength + courseName.substring(0, i+1));
			gapLength = gapLength + " ";
		}
		for (int i = 0; i<nameLength; i++)
		{
			System.out.print(courseName.substring(nameLength-1-i, nameLength-1-i+1));
		}
		System.out.println();
		for (int i = nameLength-1;  i>=0; i--)
		{
			System.out.print(courseName.substring(i, i+1)+ "*");
		}
		System.out.println();
		System.out.println();
	}
}