Dowhile
package struct;
public class DoWhileDemo01 {
public static void main(String[] args) {
int i = 0;
int sum = 0;
do {
sum = sum+i;
i++;
}while (i<=100);
System.out.println(sum);
}
}
//while和dowhile的区别
//while:先判断后执行
//dowhile:先执行后判断 保证循环体至少被执行一次