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P. 166
for (initialization; condition for testing; increment or decrement)
{
// job performed by the body of the loop;
}
initialization;
while (condition for testing)
{
// job performed by the body of the loop;
increment or decrement;
}
initialization;
do
{
// job performed by the body of the loop;
increment or decrement;
} while (condition for testing);
Program 5 To input a number and print the factorial of the number using for loop.
1 import java.util.*;
2 class for_loop
3 {
4 public static void main()
5 {
6 Scanner sc= new Scanner(System.in);
7 int i,n,f=1;
8 System.out.print("Enter a number : ");
9 n=sc.nextInt();
10 for(i=1;i<=n;i++)
11 f=f*i;
12 System.out.println("Factorial of a number : "+f);
13 }}
164164 Touchpad Computer Applications-X

