用JAVA写100以内所有偶数之和

Question

大师们用while循环 for循环小弟还没学

Answer 1

public class ou{

public static void main(String[] args){
int total = 0;
int i = 0;
while(i<=100){
total += i;
i+=2;
}
System.out.println(total);
}
}

Answer 2

public class ou{

public static void main(String[] args){
int shu=0;
for(int i=0;i<=100;i+=2){
shu+=i;
}
System.out.println(shu);
}
}