CH02_While

package cn.pzhu.java.ch02;

public class WhileDemo {

	
	public static void main(String[] args) {
		int i=1;
		int sum=0;
		while(i<10){
			sum+=i;
			i++;
		}
		sum=0;
		do{
			sum+=i;
			i--;
		}while(i>0);

	}

}