Recursion - Absolute Java - page 681

7 . public static void cheers( int n)
{
while (n > 1)
{
System.out.print("Hip ");
n--;
}
System.out.println("Hurray");
}
8 . public static void stars( int n)
{
for ( int count = 1; count <= n; count++)
System.out.print('*');
}
9 . public static void backward( int n)
{
while (n >= 10)
{
System.out.print(n%10); //write last digit
n = n/10; //discard the last digit
}
System.out.print(n);
}
10. The trace for Self-Test Exercise 4: If n = 3 , the code to be executed is
if (3 >= 1)
{
writeUp(2);
System.out.print(3 + " ");
}
The execution is suspended before the System.out.println . On the next recursion,
n = 2 ; the code to be executed is
if (2 >= 1)
{
writeUp(1);
System.out.print(2 + " ");
}
The execution is suspended before the System.out.println . On the next recursion,
n = 1 and the code to be executed is
if (1 >= 1)
{
writeUp(0);
System.out.print(1 + " ");
}