import java.util.*;
import java.lang.*;
import java.io.*;
class Ideone
{
{
int numero = 5;
System.
out.
println("O fatorial de " + numero
+ " é " + fatorial
(numero
) + "."); }
public static int fatorial(int num) {
if (num <= 1) {
return 1;
} else {
return fatorial(num - 1) * num;
}
}
}
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