Java Reference
In-Depth Information
Display 11.1
A Recursive
void
Method
1
public
class
RecursionDemo1
2{
3
public
static
void
main(String[] args)
4
{
5
System.out.println("writeVertical(3):");
6
writeVertical(3);
7
System.out.println("writeVertical(12):");
8
writeVertical(12);
9
System.out.println("writeVertical(123):");
10
writeVertical(123);
11
}
12
public static void
writeVertical(
int
n)
13
{
14
if
(n < 10)
15
{
16
System.out.println(n);
17
}
18
else
//n is two or more digits long:
19
{
20
writeVertical(n/10);
21
System.out.println(n%10);
22
}
23
}
24
}
Sample Dialogue
writeVertical(3):
3
writeVertical(12):
1
2
writeVertical(123):
1
2
3
