import java.math.BigInteger;
import java.util.Stack;
public class SumOneHundred {
public static void main(String[] args) {
SumOneHundred sum = new SumOneHundred();
sum.sumOneToOneHundred();
sum.getFactorial(100);
sum.verifyString("í† ë§ˆí† ");
User user1 = new User("ì˜ê°");
User user2 = new User("ì˜ê°");
if (user1.equals(user2)) {
System.out.println("object-true");
} else {
System.out.println("object-false");
}
}
public void sumOneToOneHundred() {
// 1~100까지 ë”í•˜ìž 5050 = 101 * 50
int result = 0;
int target = 100;
for (int i = 1; i < 51; i++) {
if (i == 50) {
System.out.println("!");
}
result += target + i;
target--;
}
System.out.println(result);
System.out.println(101 * 50);
}
public void getFactorial(int param) {
int x = param;
int result = 1;
for (int i = 1; i < (x + 1); i++) {
result = (result * i);
System.out.println(result);
}
BigInteger fac = BigInteger.ONE;
for (int i = 1; i <= x; i++)
fac = fac.multiply(BigInteger.valueOf(i));
System.out.println(fac);
}
public void verifyString(String message) {
Stack