java求1到100的和

class Count02{
    public int gesSum(){
        int sum = 0;
        for (int i =1;i<100;i++){
            sum += i;
        }
        return sum;
    }
}

public class Method03 {
    public static void main(String[] args) {
        Count02 c = new Count02();
        int sum = c.gesSum();
        System.out.println("1-100的和是："+sum);
    }
}