缺少main函数,每个独立的java程序必须有main
public class Factorial2 {
public static void main(String args[]) {
}
public static long factorial(long x) {
if (x == 1) return 1;
else return x * factorial(x-1);
}
}
public class Factorial2 {
public static void main(String args[]) {
}
public static long factorial(long x) {
if (x == 1) return 1;
else return x * factorial(x-1);
}
}
public class Factorial2 {
public static void main(String args[]) {
factorial x = factorial((long)3);
}
public static long factorial(long x) {
if (x == 1) return 1;
else return x * factorial(x-1);
}
}